Chemical Bonds Question Preview (ID: 12220)
Quiz About Chemical Bonds.
TEACHERS: click here for quick copy question ID numbers.
When a Na atom loses one electron, it gets a charge of
a) - 1
b) + 1
c) 0
d)
Write the formula for a compound that has one Calcium atom and two Chlorine atoms. Predict the bond between them.
a) CaCl2, ionic
b) CaCl2, covalent
c) Ca2Cl, ionic
d) Ca2Cl, covalent
How is the bond in F2 different from the bond in KCl?
a) F2 is covalent and KCl is ionic
b) F2 is ionic and KCl is ionic
c) F2 is ionic and KCl is covalent
d) F2 is covalent and KCl is covalent
The chemical formula of the product formed from the reaction between Mg and O2 is
a) MgO2
b) MgO
c) Mg2O
d)
An atom that has lost or gained electrons becomes a (an)
a) proton
b) electron
c) ion
d) neutron
N has 5 valence electrons and it is diatomic. How many covalent bonds are there in a N2 molecule?
a) single
b) double
c) triple
d)
Magnesium Bromide is a (an) ________ compound.
a) metallic
b) covalent
c) ionic
d)
Non-metals tend to _______ electrons to become ________ ions.
a) lose, positive
b) gain, negative
c) lose, neutral
d)
In a covalent bond, electrons are
a) lost o gained.
b) shared.
c) none of the above.
d)
From the list of elements given, select 2 elements that would likely form an ionic bond. K, C, Br, Ar.
a) K, Ar
b) K, Br
c) C, Br
d) Br, Ar
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