Valence Electrons / Electron Dots Practice

How many valence electrons does Bromine (Br) have?

• 5

• 6

• 7

• 8

What is a valence electron?

• an electron that is found in the outermost shell of an atom. 

• an electron found in the innermost shell of an atom.

• an electron found in the middle shell.

According to the diagram below, how many bonds will this atom be able to make?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

According to the octet rule most elements need _______ valence electrons.

• 2

• 8

• 6

• 18

• 2
• 3
• 5

Tags

NGSS.MS-PS1-1

Q1. How many apples are there?

• 1)

  2

• A)

  8

• 1)

  3

• A)

  13

Select the elements that has 8 valence electrons.

• Ne

• Br

• Kr

• Xe

• 12

• 7

• 8

• 14

Tags

NGSS.MS-PS1-1

• 14

• 4

• 3

• 28

Tags

NGSS.MS-PS1-1

• 7
• 8
• 9
• 10

Tags

NGSS.MS-PS1-1