Which group of Chemicals is the make up of the majority of chemicals in our body

Oxygen, Carbon, Hydrogen, Nitrogen

What happens to the atoms that are Ionicly Bonded when water is introduced

The atoms Dissociate and Form Electrolytes

Number of protons in nucleous of an atom

Smallest unit of matter that keep the same charateristics of an element

What does a catalyst do in a chemical reaction.

Reduces energy needed to start a reaction

# equal to the average mass of all stable atoms of a given element (Daltons

2 or more atoms sharing Electrons

What are Chemical Elements

Units of matter of the same type of atoms

How is a Covalent bond Formed

2 Atoms share a Valence Electron

# of Protons and Neutrons in an Atom

The force of gravity acting on Mass

What Determines the likelihood that an atom will chemically bond

# of electrons in the Valence Shell

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Chapter 2 lecture 1

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Questions 34

Answers

1
A Weak bond between oppositely charged parts of molecules with hydrogen?(Has polarity)
Hydrogen Bond
Covalent bond
Cation
Ionic bond
2
A substance that can be broken down into 2 diffrent types of elements (2 or more)
Compound
Isotope
Molecule
Ion
3
All chemical reactions in an Organism
Chemical Elements
Products
Reactants
Metabolism
4
Which option below is incorrect
Oxidation Reduction= transfer of electons bettwn atoms and molecules
Decompostion= Breakdown
Synthesis= Building or creating
Exchanged= Can be reversed
5
Which group of Chemicals is the make up of the majority of chemicals in our body
I'm the Wrong answer :)
Hydrogen, Oxygen, Sodium
Don't Look At Me I'm definely Wrong ;)
Oxygen, Carbon, Hydrogen, Nitrogen
6
What happens to the atoms that are Ionicly Bonded when water is introduced
The atoms Dissociate and Form Electrolytes
The atoms release energy
The atoms stick to each other create surface tension
The Atoms remain unchanged
7
Free Radicals have an unpaired electon in the Innermost shell
False
True
8
Energy Can Be created or destroyed
True
False
9
What is Mass
Structure of Chemicals
Amount of Matter
Force of Gravity
Smallest Units Of Matter
10
What is an atom tha contains a diffrent numbers of neutrons
Molecule
Isotope
Ion
Compound
11
When Atoms are held together by forces of attraction
Chemical Elements
Chemical bonds
Ion
Molecules
12
Atoms Bonded between positvely and negatively charged particles
Covalent bond
Hydrogen bond
Polar bond
Ionic Bond
13
Negative Charged Ions
Cations
Base
Anions
Acid
14
Define Atomic number
Number of Protons and Neutrons in an Atom
Number of protons in nucleous of an atom
Number equal to the average mass of all stable atoms of a given element in
One of the others :)
15
What is an Atom
Smallest unit of matter that keep the same charateristics of an element
Largest unit of matter that retain properties/characteristics of an element
Forms of the same elements that contain diffrent numbers of neutrons
2 or more elements
16
What does a catalyst do in a chemical reaction.
Consumes energy
Releases Energy
Reduces energy needed to start a reaction
Creates new molecules
17
Postive Charged Ions
Acid
Cation
Anions
Base
18
Chemical reactions occur when new bonds are formed and old bonds are broken
True
False
19
Most common type of bond in the body
Polar bond
Hydrogen Bond
Ionic bond
Covalent Bond
20
Define Atomic Mass
One of the others :)
Number of protons in nucleous of an atom
# equal to the average mass of all stable atoms of a given element (Daltons
Number of Protons and Neutrons in an Atom
21
What is exchange reaction
AB+CD= A+BCD
AB+CD= AC+BD
AB+CD= A+C
AB+CD= DABC
22
Molecule?
2 or more atoms sharing Electrons
Ions bonded together
forms of the same Element that contain diffrent number of neutrons
A substance that can be broken down into 2 or more diffrent elements
23
What are Chemical Elements
Smallest units of matter
Units of diffrent types of atoms
Two atoms joined together
Units of matter of the same type of atoms
24
What is Science of structure and interactions of matter
Chemistry
Biology
Physiology
Anatomy
25
How is a Covalent bond Formed
Not Me :)
2 Charged Atoms bond together
2 Atoms share a Valence Electron
A Weak bond between oppositely charged parts
26
Which is not a form of Energy
Polar
Kinetic
Chemical
Potential
27
Which of these are not Chemical Elements
Solid
Plasma
Gas
Liquid
28
What is an atom that has a diffrent number of Electrons and becomes + or -
Isotope
Ions
Compound
Molecule
29
Which Releases Energy
Look a Diffrent answer
Endothermic
Exothermic
Yep Definitly not me
30
All forms of Matter are composed of Chemical Elements
True
False
31
What is anything that has mass and takes up space
Atomic Weight
Weight
Mass
Matter
32
Define Mass number
# of Protons and Neutrons in an Atom
# equal to the average mass of stable atoms of given elements in Daltons
# of protons in nucleous of an atom
One of the others
33
Define Weight
Amount of Matter
The interaction of structures
The space something takes up
The force of gravity acting on Mass
34
What Determines the likelihood that an atom will chemically bond
# of electrons in the Innermost shell
# of electrons in the Valence Shell
# of nuetrons in the nucleous
Number of Protons

Chapter 2 lecture 1 Flashcards | StudBud