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Covalent Bonding
Quiz 3
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Q.1
The chemical formula of dinitrogen tetroxide is:
Ni₂O₄
NiO
N₂O₄
NiO₂
Q.2
The chemical name of SO₃ is:
sulfate
sulfur oxide
sulfur trioxide
monosulfur trioxide
Q.3
In the correct Lewis structure for water, how many unshared pairs of electrons will oxygen have?
1
4
3
2
Q.4
After drawing in your bonds, what do you do if you don't have enough electrons to get each atom to its octet?
Place dots until everything has eight
Place dots only around the terminal atoms
Add a multiple bond
Have eight only around the central atom
Q.5
If electrons are shared unequally then the bond is....
Non-polar covalent
Ionic
Non-polar ionic
Polar covalent
Q.6
How many electrons should Lithium have around its Lewis dot model?
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2
3
4
Q.7
Write the formula for: chlorine monoxide
ClO
Cl2O
CO
None of these
Q.8
Write the formula for: selenium dihydride
H2O
(H3C)3 Si
H₂Se
None of these
0 h : 0 m : 1 s
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