Atoms and Electron Dots

How many valence electrons does carbon (C) have?

• 3
• 4
• 5
• 6

Tags

NGSS.HS-PS1-1

How many valence electrons does chlorine (Cl) have?

• 2
• 5
• 6
• 7

Tags

NGSS.HS-PS1-1

How many valence electrons does magnesium (Mg) have?

• 1
• 2
• 3
• 8

Tags

NGSS.HS-PS1-1

Which of these elements has 3 valence electrons?

• Al
• N
• Li
• F

Tags

NGSS.HS-PS1-1

Which of these elements has 8 valence electrons?

• P
• Be
• O
• Ar

Tags

NGSS.HS-PS1-1

This is the correct dot diagram for sodium (Na)

• true
• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for fluorine (F)

• true
• false

Tags

NGSS.HS-PS1-1

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for oxygen (O)

• true
• false

Tags

NGSS.MS-PS1-1

This is the correct dot diagram for nitrogen (N)

• true
• false

Tags

NGSS.HS-PS1-1