Formation of Ions

What is an ion?

• A Charged Atom
• A Large Atom
• A Small Atom
• A Cute Atom

Cations are...

• Positive
• Negative
• Neutral
• Purring

Anions are...

• Positive
• Negative
• Neutral
• Crying

An atom becomes _________ when it gains electrons.

• Positive
• Negative
• Neutral
• Invinsible

An atom becomes _______ when it loses electrons.

• Positive
• Negative
• Neutral
• Invinsible

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

• +3
• +5
• -3
• -5

charge of lithium ion

• -2

• -1

• +1

• +2

An atom carries a charge of +2. What can you say about the atom?

• The atom gained two electrons.

• The atom lost two electrons.

• The atom either lost or gained two electrons.

• The atom neither lost nor gained two electrons.

Which of the following tend to gain electrons when forming ions?

• metalloids

• metals

• non-metals

• cations

Look at the periodic table. What should be the charge on the ion formed by calcium?

• +1

• +2

• -1

• -2