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Elements and the periodic table Flashcards | StudBud
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Elements and the periodic table
Elements and the periodic table
30 terms
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covers organization of the table, elements both chemical and physical properties. #grade 8
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30 cards
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1
These are almost always solid at room temperature
metals
alkaline metals
metalloids
nonmetals
2
Valence electrons are
The number of electrons on the outer shell
Electrons that have been lost due to a chemical reaction
Electrons that have been gained during a chemical reaction
The total number of electrons
3
These are used for semi conductors because the conduct electricity under certain circumstances
metalloids
metals
nonmetals
alkaline metals
4
These are often a gas at room temperature
metalloids
alkaline metals
nonmetals
metals
5
The type of element is determined by
the number of atoms in a molecule
The number of neutrons in an atoms
the number of protons in the nucleus
the number of valence electrons
6
These have properties of both metals and non metals
metals
non metals
alkaline metals
metalloids
7
An isotope is
An atom with a full outer energy shell
An electrically charged atom
An atom with a different number of neutrons than protons
An atom with a different number of electrons than protons
8
One of these is not another name for the outer most ring of electrons
shell
ion
orbital
energy level
9
These are dull, brittle, and non conductive
nonmetals
metalloids
alkaline metals
metals
10
Ductile means
easily formed into other shapes
able to conduct electricity
able to be stretched or made into wire and flat sheets
electrically charged atom
11
conductive means
Ability to be drawn into flat sheets or wires
Allows electricty and heat to be transferred
Easily formed into other shapes
Does not allow for the transfer of heat and electricity
12
Corrosive means
easily transfers heat and electricity
gradual breakdown due to chemical reaction
easily formed
nonreactive under most circumstances
13
One AMU = the weight of
one atom
one proton
one electron
one neutron
14
These are corrosive when exposed to air and moisture
alkaline metals
metalloids
nonmetals
metals
15
the number 12.100 represents
the position on the table
the number of electrons
the mass of the protons
the weight of the protons plus neutrons
16
The number of electrons on the outer orbital are found where on the chart
orbitals
periods
groups
shells
17
A family is
elements that go across on the table
elements that have the same number of electrons
elements that have common characteristics
elements that share the same number of orbitals
18
The letter C is the
Abbreviation for carbon
represents its alphabetical position on the chart...a,b.c
Atomic symbol
19
Which of these has no charge?
proton
electron
neutron
20
Which of the below listed things can I NOT tell from this symbol
the number of valence electrons
the number of protons in the nucleus
The average weight of the atom
The number of electrons in the atom
21
Losing electrons to other atoms is a chemical property of
non metals
metaloids
metals
alkaline metals
22
The smallest building block of all matter is
atoms
cells
molecules
elements
23
shiny, malleable,ductile and conductivity are physical properties of what?
ions
metals
non metals
metalloids
24
An ION is
An atom with more neutrons than protons
An unstable atom
A charged atom
Another name for the outer shell
25
An isotope is
An atom with more neutrons than protons
An atom with more protons than electrons
An atom with a full outer shell
A charged atom
26
The ability to be formed into other shapes is the definition for
stretchy
ductile
malleable
moldable
27
The center part of the atom contains
elements
protons and neutrons
electrons
protons
28
These are found right along the border of metals and non metals
alkaline metals
metals
metalloids
nonmetals
29
The atomic number indicates the
mass of the atom
protons plus neutrons
number of electrons in an atom
number of protons in an atom
30
These have properties of both metals and non metals
metalloids
nonmetals
alkaline metals
metals
