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Fun Quiz 1

Total questions: 10

Worksheet time: 15mins

Name
Class
Date
1.

Determine the valence electron for an atom Y which has 34 electrons. Give your answer in numerical format.

(a)  

2.

A molecule has a formula of AM5. Where A has 35 electrons and M has 9 electrons.


How many bonding electron in the molecule?

a)

2

b)

3

c)

4

d)

5

3.

For the AM5 in previous question, Identify the amount of lone pair.

a)

1

b)

2

c)

3

d)

4

4.

Also referring to the same molecule, AM5 identify the molecular geometry.

a)

T-Shaped

b)

Octahedral

c)

Square Pyramidal

d)

Trigonal Pyramidal

5.

Determine the hybrid orbital of central atom A in molecule AM5.

(a)  

6.

Calculate formal charge for central atom A in AM5 molecule.

a)

0

b)

-1

c)

+1

d)

-2

7.

The use of two or more Lewis structure to represent a particular molecule.


The statement refer to:

a)

Lewis Structure

b)

Valance Bond Theory

c)

Formal Charge

d)

Resonance

8.

Choose the correct statement which describe Pi bonding.

a)

Pi bond is formed by the head-on overlapping of atomic orbitals

b)

Pi bonding exist in single bond

c)

Pi bond is formed by sideways overlapping of p atomic orbitals

d)

Pi bond is form from the overlapping of s orbital.

9.

If a central atom has 2 sigma bonding and 3 lone pairs, Predict the:


electron domain : geometry: hybrid orbital of the central atom.

a)

2 : Linear : sp

b)

3 : Trigonal planar : sp2

c)

5 : seasaw : sp3d

d)

5 : Linear : sp3d

10.

For CO2, Determine the number of

sigma bonding : pi bonding.

a)

1 : 3

b)

2 : 2

c)

3 : 2

d)

3: 1