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Chemical Bonds
Test Description: Quiz about chemical bonds
Instructions: Answer all questions to get your test result.
1) When a Na atom loses one electron, it gets a charge of
A
0
B
+ 1
C
- 1
2) Write the formula for a compound that has one Calcium atom and two Chlorine atoms. Predict the bond between them.
A
CaCl2, ionic
B
Ca2Cl, ionic
C
Ca2Cl, covalent
D
CaCl2, covalent
3) How is the bond in F2 different from the bond in KCl?
A
F2 is ionic and KCl is ionic
B
F2 is ionic and KCl is covalent
C
F2 is covalent and KCl is ionic
D
F2 is covalent and KCl is covalent
4) The chemical formula of the product formed from the reaction between Mg and O2 is
A
MgO2
B
MgO
C
Mg2O
5) An atom that has lost or gained electrons becomes a (an)
A
electron
B
neutron
C
proton
D
ion
6) 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
7) Magnesium Bromide is a (an) ________ compound.
A
ionic
B
covalent
C
metallic
8) Non-metals tend to _______ electrons to become ________ ions.
A
gain, negative
B
lose, neutral
C
lose, positive
9) In a covalent bond, electrons are
A
shared.
B
lost o gained.
C
none of the above.
10) From the list of elements given, select 2 elements that would likely form an ionic bond. K, C, Br, Ar.
A
C, Br
B
Br, Ar
C
K, Ar
D
K, Br
*select an answer for all questions
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