wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Bohr model/ Electrons

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What are valence electrons

a)

The outer most electrons

b)

The inner most electrons

c)

The 2nd and 3rd electron to be added to the orbital

d)

The electrons that are pulled off due to frcition

2.

How many Valence electrons are there?

a)

4

b)

3

c)

2

d)

1

3.

How many Valence electrons are there?

a)

6

b)

4

c)

2

d)

3

4.

Which atom has 4 protons 4 neutrons and 2 electrons

a)
b)
c)
d)
5.

Which atom has 4 Protons 4 neutrons and 5 electrons

a)
b)
c)
d)
6.

What is the Charge on this ion?

a)

Be +1

b)

Be +2

c)

Be neutral

d)

Be -2

7.

There are 6 protons and 10 electrons. The charge is

a)

C +4

b)

C -4

c)

C +2

d)

C -2

8.

There are 2 protons and 2 electrons. What is the charge?

a)

He +1

b)

He +2

c)

He

d)

He -1

9.

In borhs model, Orbitals are also known as

a)

Elliptical

b)

Circles

c)

Energy levels

d)

not fixed motion

10.

When an electron goes from a high level to its original energy level, it releases

a)

ENERGYYYYY

b)

I like turtles

c)

an electron

d)

a charge