Quiz 1 | Lewis Formulas
How many covalent bonds should form a neutral oxygen atom to follow the octet rule?
1
2
3
4
What type of bond exists between the nitrogen atoms of N2H2?
Single bond
Double bond
Triple bond
Quadruple bond
Which of the following species has a triple covalent bond?
NH3
CO2
NO3-
NC-
What is the formal charge of boron atom in the molecule BF4-?
-2
-1
0
1
Which of the following atoms could have an expanded valence shell?
Li
O
S
Ne
Which of the following atoms has the highest electronegativity?
F
O
H
Br
