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14 Cards in this Set

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  • Back
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An atom has no overall charge if it contains equal numbers of
a: electrons and protons
b: neutron and protons
c: neutrons and electrons
d: None of the above
electrons and protons
What particles make up a nucleus?
a:electrons and neutrons
b:neutrons
c:protons and neutrons
d:electrons, protons and neutrons
protons and neutrons
Which of the following chemical formulas is NOT an ionic compound?
MgO
CaCl2
CH4
Li2S
CH4
What is the formula for chromium(III) oxide?
CrO
Cr3O
Cr3O2
Cr2O3
Cr2O3
When is an atom stable?
when it is neutral
when its lowest occupied energy level is filled with electrons
when its highest unoccupied energy level is filled with electrons
when its highest occupied energy level is filled with electrons
when its highest occupied energy level is filled with electrons
Which of the following is NOT true of covalent bonding?
It occurs only between nonmetals.
It can occur between two atoms of the same element.
The electrons are shared equally among the atoms.
Multiple pairs of electrons can be shared.
The electrons are shared equally among the atoms.
A mixture of two or more elements where one of the elements is a metal is called a(n)
metalloid.
transition metal.
alloy.
lattice.
alloy.
What force holds the atoms of a metal together?
the attraction of a positively charged atom to a negatively charged atom
the sharing of electrons between two atoms
the gravitational force between dense metal atoms
the attraction between metal cations and a pool of shared electrons
the attraction between metal cations and a pool of shared electrons
What is the correct name for CCl4?
carbon(IV) chloride
carbon tetrachlorine
carbon tetrachloride
monocarbon tetrachloride
carbon tetrachloride
The atoms in a molecule are joined together by
ionic bonds.
covalent bonds.
lattices.
anions.
A neutral atom that subsequently loses an electron is called a(n)
noble gas.
anion.
cation.
lattice.
cation.
What is the correct name for Ca(OH)2?
calcium dioxygen dihydrogen
calcium dihydroxide
calcium hydroxide
calcium hydroxygen
calcium hydroxide
What determines whether a molecule is polar?
type of atoms and shape of molecule
mass of atoms and number of valence electrons
type and mass of atoms
ionization energy and number of covalent bonds
type of atoms and shape of molecule
Which element would you predict to form the strongest metallic bonds?
lithium
magnesium
strontium
aluminum
aluminum