a society provides its members with those things needed and desired

a negatively charged subatomic particle

the electrostatic attraction that binds oppositely charged ions together

any atom or group of atoms with a negative charge

the specific energies an electron in an atom or other system can have

a unit of mass equal to one-twelfth the mass of a carbon-12 atom

change in which one or more reactants change into one or more products

change which properties of a material change but comp. does not

the number of protons in the nucleus of an atom of an element

class of elements that are good conductors of heat + electric current

Heterogeneous Mixture

mixture not uniform in composition; components are not evenly distributed

anything that has mass and occupies space

a substance produced in a chemical reaction

Electron Configuration

arrangement electrons of atom in ground state into various orbitals-nuclei

a measure of the amount of matter that an object contains

a molecule consisting of two atoms

change that produces matter with a different comp. than the original matter

atoms react by gaining/losing electrons-noble gas/8 valence electrons

the closeness, or repeatability, of a set of measurements

force of attraction that holds metals together

tiny, dense central portion of an atom; composed of protons and neutrons

process used to separate comp. of mixture using difference in boiling point

Nonpolar Covalent Bond

covalent bond in which the electrons are shared equally by the two atoms

a negative ion formed when a halogen atom gains an electron

a vertical column of elements in the periodic table\

a bond formed by the sharing of electrons between atoms

positively charged subatomic particle found in the nucleus of an atom

simplest form of matter that has a unique set of properties

the ratio of the mass of an object to its volume

mixture composed of two or more elements, at least one of which is a metal

study of the composition of matter and the changes that matter undergoes

covalent bond between atoms in which the electrons are shared unequally

International System of Units (SI)

revised metric system, adopted by international agreement in 1960

Electromagnetic Radiation

energy waves that travel in a vacuum at a speed of 2.998 × 108 m/s

chemical formula of molecular comp. show kinds and numbers of atoms in comp

attractive forces-hydrogen covalent bonded-very electronegative atom

a substance present at the start of a reaction

an electron in the highest occupied energy level of an atom

physical blend of two or more substances that are not chemically combined

quantum light-discrete bundle of electromagnetic energy that interacts mat.

variable observed during an experiment; also called responding variable

a form of matter that takes the shape and volume of its container

a neutral group of atoms joined together by covalent bonds

a compound that is composed of molecules

a horizontal row of elements in the periodic table

Electron Dot Structure

depicts valence electrons as dots around the atomic symbol of the element

Law of Conservation of Mass

any physical change/chemical reaction, mass is conserved

a repeatable procedure that is used to test a hypothesis

a form of matter that flows, has a fixed volume, and an indefinite shape

gaseous state of substance generally a liquid of solid at room temperature

tightly bound group of atoms-behave as unit + have positive/negative charge

studbud

Chem Vocab

65 termsStudBud Administration32 plays

Imported from external platform

Flashcards65 cardsFPractice quizPHost liveL

Questions 65

Answers

1
Technology
a society provides its members with those things needed and desired
variable observed during an experiment; also called responding variable
the specific energies an electron in an atom or other system can have
change produces matter with a different composition than the original
2
Electron
positively charged subatomic particle found in the nucleus of an atom
tiny, dense central portion of an atom; composed of protons and neutrons
a negatively charged subatomic particle
subatomic particle-no charge and a mass of 1 amu; found in nucleus of atom
3
Iconic Bond
chemical formula of molecular comp. show kinds and numbers of atoms in comp
covalent bond between atoms in which the electrons are shared unequally
the electrostatic attraction that binds oppositely charged ions together
mixture composed of two or more elements, at least one of which is a metal
4
Anion
any atom or group of atoms with a negative charge
mixture composed of two or more elements, at least one of which is a metal
any atom or group of atoms with a positive charge
the lowest whole-number ratio of ions in an ionic compound
5
Energy Level
the specific energies an electron in an atom or other system can have
energy waves that travel in a vacuum at a speed of 2.998 × 108 m/s
the lowest possible energy of an atom described by quantum mechanics
arrangement electrons of atom in ground state into various orbitals-nuclei
6
Atomic Mass Unit
the total number of protons and neutrons in the nucleus of an atom
the weighted average of the masses of the isotopes of an element
a unit of mass equal to one-twelfth the mass of a carbon-12 atom
the number of protons in the nucleus of an atom of an element
7
Chemical reaction
change which some properties of a material change, but the comp. does not
any physical change/chemical reaction, mass is conserved-X destroyed/create
change in which one or more reactants change into one or more products
change that produces matter with a different comp. than the original matter
8
Physical Change
change which properties of a material change but comp. does not
change produces matter with different composition than the original matter
a substance present at the start of a reaction
the simplest form of matter that has a unique set of properties
9
Atomic Number
the total number of protons and neutrons in the nucleus of an atom
a unit of mass equal to one-twelfth the mass of a carbon-12 atom
the number of protons in the nucleus of an atom of an element
the weighted average of the masses of the isotopes of an element
10
Metal
mixture composed of two or more elements, at least one of which is a metal
element tends to be poor conductor of heat and electric current
a negative ion formed when a halogen atom gains an electron
class of elements that are good conductors of heat + electric current
11
Heterogeneous Mixture
mixture not uniform in composition; components are not evenly distributed
a covalent bond in which the electrons are shared equally by the two atoms
mixture in uniform in comp.; components are evenly distributed
a covalent bond between atoms in which the electrons are shared unequally
12
Matter
the simplest form of matter that has a unique set of properties
anything that has mass and occupies space
a measure of the amount of matter that an object contains
the specific energies an electron in an atom or other system can have
13
Product
a substance produced in a chemical reaction
the lowest whole-number ratio of ions in an ionic compound
the electrostatic attraction that binds oppositely charged ions together
a substance present at the start of a reaction
14
Electron Configuration
any atom or group of atoms with a negative charge
the specific energies an electron in an atom or other system can have
arrangement electrons of atom in ground state into various orbitals-nuclei
any atom or group of atoms with a positive charge
15
Mass
a form of matter that takes the shape and volume of its container
a form of matter that flows, has a fixed volume, and an indefinite shape
a measure of the amount of matter that an object contains
a form of matter that has a definite shape and volume
16
Diatomic Molecule
a compound that is composed of molecules
chemical formula of molecular comp. show kinds and numbers of atoms in comp
a neutral group of atoms joined together by covalent bonds
a molecule consisting of two atoms
17
Chemical Change
change in which one or more reactants change into one or more products
change which some properties of a material change, but the comp. does not
change that produces matter with a different comp. than the original matter
a physical blend of two or more substances that are not chemically combined
18
Octet Rule
a vertical column of elements in the periodic table
atoms react by gaining/losing electrons-noble gas/8 valence electrons
a horizontal row of elements in the periodic table
given # written as product of 2 #'s-a coefficient and 10 raised to a power
19
Precision
a horizontal row of elements in the periodic table
the closeness, or repeatability, of a set of measurements
the closeness of a measurement to the true value of what is being measured
a negatively charged subatomic particle
20
Metallic Bond
force of attraction that holds metals together
a bond formed by the sharing of electrons between atoms
tightly bound group of atoms acts as unit + has a positive/negative charge
21
Nucleus
subatomic particle-no charge and a mass of 1 amu; found in nucleus of atom
tiny, dense central portion of an atom; composed of protons and neutrons
a negatively charged subatomic particle
positively charged subatomic particle found in the nucleus of an atom
22
Distillation
mixture composed of two or more elements, at least one of which is a metal
a compound that is composed of molecules
the lowest whole-number ratio of ions in an ionic compound
process used to separate comp. of mixture using difference in boiling point
23
Nonpolar Covalent Bond
attractive forces-a hydrogen covalent bonded-very electronegative atom
covalent bond between atoms in which the electrons are shared unequally
tightly bound group of atoms behave as unit + have positive/negative charge
covalent bond in which the electrons are shared equally by the two atoms
24
Halide ion
a molecule consisting of two atoms
a negative ion formed when a halogen atom gains an electron
a compound that is composed of molecules
a neutral group of atoms joined together by covalent bonds
25
Group
a vertical column of elements in the periodic table\
a horizontal row of elements in the periodic table
a positively charged subatomic particle found in the nucleus of an atom
a negatively charged subatomic particle
26
Covalent Bond
the electrostatic attraction that binds oppositely charged ions together
the force of attraction that holds metals together
the lowest whole-number ratio of ions in an ionic compound
a bond formed by the sharing of electrons between atoms
27
Proton
subatomic particle-no charge and a mass of 1 amu; found in nucleus of atom
positively charged subatomic particle found in the nucleus of an atom
tiny, dense central portion of an atom; composed of protons and neutrons
a negatively charged subatomic particle
28
Element
simplest form of matter that has a unique set of properties
process to separate comp. of a mixture using differences in boiling point
substance contains two/more elements chemicaly combined in fixed proportion
a change in which one or more reactants change into one or more products
29
Density
the lowest possible energy of an atom described by quantum mechanics
the ratio of the mass of an object to its volume
atoms react by gaining or losing electrons-stable= noble gas/8 electrons
an electron in the highest occupied energy level of an atom
30
Alloy
a physical blend of two or more substances that are not chemically combined
a bond formed by the sharing of electrons between atoms
substance contains two/more elements chemicaly combined in fixed proportion
mixture composed of two or more elements, at least one of which is a metal
31
Chemistry
a substance present at the start of a reaction
a covalent bond between atoms in which the electrons are shared unequally
an electron in the highest occupied energy level of an atom
study of the composition of matter and the changes that matter undergoes
32
Polar Covalent Bond
attractive forces-a hydrogen covalent bonded-very electronegative atom
covalent bond in which the electrons are shared equally by the two atoms
tightly bound group of atoms behave as unit + have positive/negative charge
covalent bond between atoms in which the electrons are shared unequally
33
International System of Units (SI)
revised metric system, adopted by international agreement in 1960
the weighted average of the masses of the isotopes of an element
tiny, dense central portion of an atom; composed of protons and neutrons
unit of mass equal to one-twelfth the mass of a carbon-12 atom
34
Electromagnetic Radiation
a society provides its members with those things needed and desired
arrangement electrons of atom in ground state into various orbitals-nuclei
energy waves that travel in a vacuum at a speed of 2.998 × 108 m/s
chemical formula of molecular comp. show kinds and numbers of atoms in comp
35
Molecular Formula
a compound that is composed of molecules
chemical formula of molecular comp. show kinds and numbers of atoms in comp
a neutral group of atoms joined together by covalent bonds
a molecule consisting of two atoms
36
Hydrogen Bond
tightly bound group of atoms behave as unit + have positive/negative charge
attractive forces-hydrogen covalent bonded-very electronegative atom
covalent bond in which the electrons are shared equally by the two atoms
covalent bond between atoms in which the electrons are shared unequally
37
Reactant
a substance present at the start of a reaction
the ratio of the mass of an object to its volume
the specific energies an electron in an atom or other system can have
a substance produced in a chemical reaction
38
Valence Election
any atom or group of atoms with a positive charge
an electron in the highest occupied energy level of an atom
any atom or group of atoms with a negative charge
atoms react by gaining/losing electrons-noble gas/8 valence electrons
39
Mixture
the simplest form of matter that has a unique set of properties
a horizontal row of elements in the periodic table
physical blend of two or more substances that are not chemically combined
the ratio of the mass of an object to its volume
40
Photon
any atom or group of atoms with a positive charge
quantum light-discrete bundle of electromagnetic energy that interacts mat.
the lowest possible energy of an atom described by quantum mechanics
class of elements that are good conductors of heat + electric current
41
Dependent Variable
mixture composed of two or more elements, at least one of which is a metal
variable stands alone isn't changed by other variables
process-separate components of mixture using differences in boiling point
variable observed during an experiment; also called responding variable
42
Gas
a form of matter that takes the shape and volume of its container
a measure of the amount of matter that an object contains
a form of matter that has a definite shape and volume
a form of matter that flows, has a fixed volume, and an indefinite shape
43
Molecule
chemical formula of molecular comp. show kinds and numbers of atoms in comp
a neutral group of atoms joined together by covalent bonds
a molecule consisting of two atoms
a compound that is composed of molecules
44
Molecular Compound
a neutral group of atoms joined together by covalent bonds
chemical formula of molecular comp. show kinds and numbers of atoms in comp
a molecule consisting of two atoms
a compound that is composed of molecules
45
Period
a horizontal row of elements in the periodic table
a substance produced in a chemical reaction
a substance present at the start of a reaction
a vertical column of elements in the periodic table
46
Electron Dot Structure
a negative ion formed when a halogen atom gains an electron
the electrostatic attraction that binds oppositely charged ions together
depicts valence electrons as dots around the atomic symbol of the element
atoms react by gaining/losing electrons-noble gas/8 valence electrons
47
Law of Conservation of Mass
a covalent bond in which the electrons are shared equally by the two atoms
attractive forces-a hydrogen covalent bonded-very electronegative atom
tells us the number of atoms of each element in a compound
any physical change/chemical reaction, mass is conserved
48
Experiment
a repeatable procedure that is used to test a hypothesis
the weighted average of the masses of the isotopes of an element
a negative ion formed when a halogen atom gains an electron
the lowest possible energy of an atom described by quantum mechanics
49
Liquid
a form of matter that flows, has a fixed volume, and an indefinite shape
a measure of the amount of matter that an object contains
a form of matter that has a definite shape and volume
a form of matter that takes the shape and volume of its container
50
Vapor
a form of matter that flows, has a fixed volume, and an indefinite shape
gaseous state of substance generally a liquid of solid at room temperature
physical blend of two or more substances that are not chemically combined
a form of matter that takes the shape and volume of its container
51
Polyatomic Ion
attractive forces-a hydrogen covalent bonded-very electronegative atom
covalent bond between atoms in which the electrons are shared unequally
tightly bound group of atoms-behave as unit + have positive/negative charge
covalent bond in which the electrons are shared equally by the two atoms
52
Nonmetal
class of elements that are good conductors of heat + electric current
element tends to be poor conductor of heat and electric current
a molecule consisting of two atoms
tightly bound group of atoms- behave as unit, and positive/negative charge
53
Ground State
the lowest possible energy of an atom described by quantum mechanics
mixture composed of two or more elements, at least one of which is a metal
a neutral group of atoms joined together by covalent bonds
the electrostatic attraction that binds oppositely charged ions together
54
Independent Variable
a measure of the amount of matter that an object contains
variable that stands alone isn't changed by the other variables
a horizontal row of elements in the periodic table
a physical blend of two or more substances that are not chemically combined
55
Homogeneous Mixture
mixture not uniform in composition; components are not evenly distributed
subatomic particle, no charge and a mass of 1 amu; in the nucleus of atom
mixture that is uniform in composition; components are evenly distributed
substance contains two/more elements chemicaly combined in fixed proportion
56
Representative Elements
an electron in the highest occupied energy level of an atom
atoms react by gaining/losing electrons-noble gas/8 valence electrons
one that has incomplete outermost shells and is reactive
depicts valence electrons as dots around the atomic symbol of the element
57
Atomic Mass
the number of protons in the nucleus of an atom of an element
the weighted average of the masses of the isotopes of an element
a unit of mass equal to one-twelfth the mass of a carbon-12 atom
the total number of protons and neutrons in the nucleus of an atom
58
Accuracy
the electrostatic attraction that binds oppositely charged ions together
the closeness, or repeatability, of a set of measurements
the closeness of a measurement to the true value of what is being measured
59
Mass Number
the total number of protons and neutrons in the nucleus of an atom
the weighted average of the masses of the isotopes of an element
a unit of mass equal to one-twelfth the mass of a carbon-12 atom
the number of protons in the nucleus of an atom of an element
60
Neutron
a negatively charged subatomic particle
subatomic particle-no charge and a mass of 1 amu; found in nucleus of atom
positively charged subatomic particle found in the nucleus of an atom
tiny, dense central portion of an atom; composed of protons and neutrons
61
Formula Unit
the lowest whole-number ratio of ions in an ionic compound
a measure of the amount of matter that an object contains
a society provides its members with those things needed and desired
change which some properties of a material change, but the comp. does not
62
Scientific Notation
a neutral group of atoms joined together by covalent bonds
the closeness of a measurement to the true value of what is being measured
given # written as product of 2 #'s-a coefficient and 10 raised to a power
a bond formed by the sharing of electrons between atoms
63
Chemical Formula
change in which one or more reactants change into one or more products
change that produces matter with a different comp. than the original matter
substance contains two/more elements chemicaly combined in fixed proportion
tells us the number of atoms of each element in a compound
64
Solid
a form of matter that has a definite shape and volume
a form of matter that flows, has a fixed volume, and an indefinite shape
a form of matter that takes the shape and volume of its container
a measure of the amount of matter that an object contains
65
Cation
the electrostatic attraction that binds oppositely charged ions together
any atom or group of atoms with a positive charge
a negative ion formed when a halogen atom gains an electron
any atom or group of atoms with a negative charge

Chem Vocab Flashcards | StudBud