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Grade 9 (Synchronous Activity)

Total questions: 25

Worksheet time: 48mins

Name
Class
Date
1.

This Describe the size and distance of an electrons from the nucleus.

a)

Principal QN

b)

Azimuthal QN

c)

Magnetic QN

d)

Spin QN

2.

What quantum numbers describe the shape of the orbitals?

a)

Principal QN

b)

Azimuthal QN

c)

Magnetic QN

d)

Spin QN

3.

It describes the orientation on space of the orbitals. 

a)

Principal QN

b)

Azimuthal QN

c)

Magnetic QN

d)

Spin QN

4.

This describes the direction of the axial spin of the electron.

a)

Principal QN

b)

Azimuthal QN

c)

Magnetic QN

d)

Spin QN

5.

Give the two accepted values in Spin Quantum Number

4 lines
6.

He states that “no two electrons in the same atom can have identical values for all four of their quantum numbers”. 

a)

Neils Bohr

b)

Robert Bohr

c)

Wolfgang Pauli

d)

Albert Pauli

7.

Describe the energy of an electron when it moves away to the nucleus.

4 lines
8.

Write the electron configuration of the following Element

Ar

4 lines
9.

Write the electron configuration of the following Elements

Cl

4 lines
10.

What do you call to the simplified model that represents Valence Electrons?

4 lines
11.

Write the Lewis dot structure of Fluorine.

12.

Write the Lewis dot structure of Nitrogen.

13.

It is a saturated carbons that contain a sing covalent bond.

a)

Alkanes

b)

Alkenes

c)

Alkyne

14.

These carbon atoms are referred as unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Alkyne

15.

It is a saturated carbons that contain a double covalent bond.

a)

Alkanes

b)

Alkenes

c)

Alkyne

16.

It is a saturated carbons that contain a triple covalent bond.

a)

Alkanes

b)

Alkenes

c)

Alkyne

17.

Determine the name of the alkane

4 lines
18.

Determine the name of the hydrocarbon

4 lines
19.

Determine the name of the hydrocarbon

4 lines
20.

Determine the name of the hydrocarbon

4 lines
21.

What is the mass of Magnesium?

4 lines
22.

What is the mass of Chlorine?

4 lines
23.

Compute for the molar mass of C2H6

4 lines
24.

Compute for the molar mass of CH2O

4 lines
25.

Compute for the molar mass of N2O3

4 lines