Electrons

Name this element.

• Argon

• Chlorine

• Aluminum

• Boron

Tags

112.20.b.5.B

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

Which is an electron?

• A

• B

• C

Tags

NGSS.MS-PS1-1

How many electrons go in the first shell (ring) ?

• 6

• 8

• 4

• 2

How many valence electrons does Tin (Sn) have?

• 8

• 7

• 5

• 4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons does Lithium (Li) have?

• 8

• 1

• 5

• 2

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.

Tags

NGSS.MS-PS1-1

This could be the dot diagram of 

• Ne

• Si

• Al

• Be

Tags

NGSS.MS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1