What ion will it form?

Which kind of element always forms positive ions?

• metal
• nonmetal
• metalloid

Which kind of element always forms negative ions?

• metal
• nonmetal
• metalloid

Tags

NGSS.HS-PS1-1

The charge of the ion formed by a metal atom is 

• positive and equal to its number of valence electrons
• negative and equal to its number of valence electrons
• positive and equal to 8 MINUS its number of valence electrons
• negative and equal to 8 MINUS its number of 

The charge of the ion formed by a NONmetal atom is 

• positive and equal to its number of valence electrons
• negative and equal to its number of valence electrons
• positive and equal to 8 MINUS its number of valence electrons
• negative and equal to 8 MINUS its number of 

What ion do you expect potassium (K) to form?

• +1
• +2
• -1
• -2

Tags

NGSS.HS-PS1-1

What ion do you expect fluorine (F) to form?

• +1
• +2
• -1
• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What ion do you expect calcium (Ca) to form?

• +1
• +2
• -1
• -2

Tags

NGSS.HS-PS1-1

What ion do you expect aluminum (Al) to form?

• +2
• +3
• -3
• -5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What ion do you expect sulfur (S) to form?

• +1
• +2
• -1
• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What ion do you expect chlorine (Cl) to form?

• +1
• +2
• -1
• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2