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GEN CHEM 1 QUARTER 2 MODULE 2 POST TEST

Total questions: 15

Worksheet time: 18mins

Name
Class
Date
1.

What set of values is used to define the probable location of the electron?

a)

Atomic numbers

b)

Heisenberg numbers

c)

Location numbers

d)

Quantum numbers

2.

What refers to the shorthand notation to indicate the distribution of electrons?

a)

Quantum numbers

b)

Magnetic configuration

c)

Atomic configuration

d)

Electronic configuration

3.

This principle states that electrons with the same spins should be filled first in orbitals with the same energy.

a)

Hund's Rule

b)

Aufbau Principle

c)

Heisenberg Principle

d)

Pauli's Exclusion Principle

4.

Which of the following shows the correct filling on a p orbital with 3 electrons?

a)
b)
c)
d)
5.

Based on Aufbau’s Principle, which of the following energy orbitals should be filled first?

a)

3d

b)

3p

c)

3s

d)

4s

6.

Determine the element with an electronic configuration of

a)

Hafnium

b)

Lanthanum

c)

Osmium

d)

Tungsten

7.

How many electrons are allowed in one p orbital?

a)

2

b)

6

c)

10

d)

14

8.

The last set of quantum numbers on the electronic configuration of bromine (Br)?

a)

3p5

b)

4p3

c)

4p5

d)

4p6

9.

An element with a high value of the principal quantum number is relatively a large molecule. Which of the following element is the largest atom?

a)

Fr

b)

Kr

c)

Pb

d)

Zn

10.

It is a symbol that consists of a chemical symbol and a dot that represents the valence electrons.

a)

Electron symbol

b)

Lewis symbol

c)

Octet symbol

d)

Valence symbol

11.

In the bonding of elements, which electrons are involved in the bonding?

a)

side electrons

b)

inner electrons

c)

middle electrons

d)

valence electrons

12.

How many valence electrons does Lithium have?

a)

1 electron

b)

2 electron

c)

3 electrons

d)

4 electrons

13.

An element should be surrounded by a specific number of electrons similar to noble gases to attain the stability of a bond. What is the name of the rule?

a)

Octet rule

b)

Pentet rule

c)

Sextet rule

d)

Electron rule

14.

The atmosphere is approximately made up of elemental nitrogen (N2). The figure below is a Lewis symbol of nitrogen gas. How many electrons are shared by the triple bond in two nitrogen atoms?

a)

3

b)

6

c)

9

d)

10

15.

Which of the following element does not follow the octet rule?

a)

Argon

b)

Fluorine

c)

Hydrogen

d)

Oxygen