Ions & Isotopes

Cations have what charge?

• +

• -

Anions are what charge?

• +

• -

Noble gases are...

• Happy and stable because they have full valence electrons

• Happy BUT UNSTABLE because they are gases

• Not happy because they don't want to be noble

• Not happy but stable because they are group number 18

Tags

NGSS.HS-PS1-1

Valence electrons means..

• Electrons inside the atoms

• Electrons on the outer most energy level

• Electrons with no charge

• Electrons that are stable

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Element Chlorine [Cl] at group #17 have how many valence electrons?

• 6

• 7

• 17

• 5

Tags

NGSS.HS-PS1-1

Element Chlorine [Cl] will make a(n)...

• Cation

• Anion

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Anions will

• lose electrons

• gain electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Cations will

• Lose electrons

• Gain electrons

This isotope have how many neutrons?

• 26

• 12

• 14

• 16

Tags

NGSS.HS-PS1-8

Which of the Chlorine [Cl] is heavier?

• Cl-37

• Cl-35

Tags

NGSS.HS-PS1-8