Chemical Bonds: Question Preview (ID: 12220)

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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

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

When a Na atom loses one electron, it gets a charge of
a) - 1
b) + 1
c) 0

Magnesium Bromide is a (an) ________ compound.
a) metallic
b) covalent
c) ionic

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

An atom that has lost or gained electrons becomes a (an)
a) proton
b) electron
c) ion
d) neutron

The chemical formula of the product formed from the reaction between Mg and O2 is
a) MgO2
b) MgO
c) Mg2O

Non-metals tend to _______ electrons to become ________ ions.
a) lose, positive
b) gain, negative
c) lose, neutral

In a covalent bond, electrons are
a) lost o gained.
b) shared.
c) none of the above.

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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