Valence Electrons

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

How many valence electrons does Bromine (Br) have?

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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.HS-PS1-1

NGSS.HS-PS1-2

Which of these is incorrect?

• 
• 

Tags

NGSS.MS-PS1-1

This could be the dot diagram of 

• Ne
• Si
• Al
• Be

Tags

NGSS.HS-PS1-1

Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

Tags

NGSS.HS-PS1-1

Name this element.

• Argon

• Chlorine

• Aluminum

• Boron

Tags

NGSS.HS-PS1-1

Name this element.

• Neon

• Magnesium

• Sodium

• Manganese

Tags

NGSS.HS-PS1-1

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2