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Bell Ringer 12-5-23

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What are valence electrons?

a)

Electrons in the nucleus of an atom

b)

Electrons in the middle energy levels of an atom

c)

Electrons in the outermost energy level of an atom

d)

Electrons in the innermost energy level of an atom

2.

What is electron configuration?

a)

The study of electron behavior in a vacuum

b)

Arrangement of electrons in an atom, molecule, or other physical structure.

c)

The process of creating new electrons

d)

The movement of electrons between atoms

3.

How many shells or energy levels are there in an atom?

a)

None

b)

One

c)

Two

d)

Multiple

4.

What is the maximum number of electrons that can be present in the first energy level?

a)

4

b)

6

c)

8

d)

2

5.

What is the maximum number of electrons that can be present in the second energy level?

a)

16

b)

32

c)

2

d)

8

6.

What is the maximum number of electrons that can be present in the third energy level?

a)

18

b)

8

c)

2

d)

32

7.

What is the maximum number of electrons that can be present in the fourth energy level?

a)

32

b)

8

c)

64

d)

16

8.

What is an Aufbau diagram?

a)

A diagram used in biology to represent the structure of a cell.

b)

A diagram used in physics to represent the motion of a particle.

c)

A diagram used in mathematics to represent a geometric shape.

d)

A diagram used in chemistry to represent the electron configuration of an atom.

9.

Which energy level is filled first according to the Aufbau principle?

a)

Fourth energy level

b)

First energy level

c)

Third energy level

d)

Second energy level

10.

What is the electron configuration of oxygen?

a)

1s2 2s2 2p2

b)

1s2 2s2 2p3

c)

1s2 2s2 2p6

d)

1s2 2s2 2p4