Forming Ions

Ions are: 

• atoms with a positive or negative charge
• atoms with no charge
• atoms with ONLY a positive charge
• atoms with ONLY a negative charge

When an atom loses a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

When an atom gains a valence electron, it becomes a(n) _____________ ion.

• positive
• negative
• neutral
• polyatomic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A cation is a ____ ion.

• negative
• positive
• neutral
• ficticious

An anion will be a ____ ion.

• negative
• positive
• neutral
• ficticious

What determines how ions will form?

• Number of protons
• Mass of the atom
• Number of total electrons
• Number of valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Magnesium's ion is:

• Mg⁺
• Mg²⁺
• Mg^-
• Mg^2-

Group 7 always has ions with a charge of 

• +1
• +2
• -1
• -2