Ions REVIEW

How does an atom become an ion?

• gaining or losing electrons

• gaining or losing protons

• gaining or losing neutrons

Answer explanation

Atoms can only easily gain and lose electrons. They are in orbit, away from the nucleus.

Tags

NGSS.HS-PS1-2

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

• cation

• anion

• dogion

• ation

Tags

NGSS.HS-PS1-2

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

• cation

• anion

• dogion

• clingon

What charge will an Oxygen ion have? 

• +1
• -1
• +2
• -2

If an element has 3 valence electrons, what charge will likely form on its ion ?

• +3
• +5
• -3
• -5

Tags

NGSS.HS-PS1-1

What is the charge of a sodium ion?

• +2

• +1

• -1

• -2

Which of the following has a -3 charge?

• Boron
• Fluorine
• Nitrogen
• Neon

charge of beryllium ion

• -2
• -1
• +1
• +2

Anions are...

• Positive
• Negative
• Neutral
• Crying

Tags

NGSS.HS-PS1-3

What is a cation?

• a positive ion

• a negative ion

• an electrically charged cat

Tags

NGSS.MS-PS2-3