Front

What do strong electrolytes form in solution?

Back

Ions

Front

What is the correct formula for lithium oxide?

Back

Li₂O

Front

What happens to an atom when it gains electrons?

Back

It becomes negative because it has added electrons.

Front

What is the formula for the compound formed by Al³⁺ and O²⁻?

Back

Al₂O₃

Front

What is the formula for the compound formed by Cr³⁺ and O²⁻?

Back

Cr₂O₃

Front

Define ionic bond.

Back

An ionic bond is a chemical bond formed between two ions with opposite charges.

Front

What is the charge of a lithium ion (Li) when it loses an electron?

Back

Positive (Li⁺).

Front

What is the charge of an oxide ion (O) when it gains two electrons?

Back

Negative (O²⁻).

Front

How do you determine the formula of an ionic compound?

Back

By balancing the total positive and negative charges of the ions.

Front

What is the role of valence electrons in ionic bonding?

Back

Valence electrons are transferred from one atom to another to form ions.