MULTIPLE CHOICE, give answer no need for explanation Which one of the following

Question

MULTIPLE CHOICE, give answer no need for explanation

Which one of the following has a Lewis formula most similar to that of NO-?

Question 6 options:

O2

O22-

O2-

NO+

NO

All of the following statements about resonance are true except

Question 7 options:

A single Lewis formula does not provide an adequate representation of the bonding.

Resonance describes a more stable situation than does any one contributing resonance formula.

Resonance describes the oscillation and vibration of electrons.

The contributing resonance formulas differ only in the arrangement of the electrons.

Resonance describes the bonding as intermediate between the contributing resonance formulas

In which of the following molecules is the octet rule violated?

Question 8 options:

ClF3

OF2

ClF

PF3

SiF4

How many valence electrons are present in the Lewis formula for the perchlorate ion, ClO4-?

38

30

36

32

34

O2

O22-

O2-

NO+

NO

Explanation / Answer

6. O2

7.Resonance describes the oscillation and vibration of electrons.

8.ClF3

9.d is the answer (32)

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