IONIC BONDING

Front

What is the chemical formula for magnesium oxide?

Back

MgO

Front

What is the chemical formula for potassium bromide?

Back

KBr

Front

Which of the following ions has a negative charge?

• Anion
• Cation
• Monoatomic ion
• Polyatomic ion

Back

Anion

Front

How are ions formed in ionic bonding?

Back

Atoms transfer electrons.

Front

Which of the following ions has a positive charge?

• Anion
• Cation
• Monoatomic ion
• Polyatomic ion

Back

Cation

Front

What type of bond forms between atoms when electrons are transferred from one atom to another?

Back

Ionic bond

Front

Characteristic of ionic compounds:

• High electrical conductivity when dissolved in water
• Low melting and boiling points
• Composed of discrete molecules
• Typically gases at room temperature

Back

They have high electrical conductivity when dissolved in water.

Front

What is the chemical formula for aluminum oxide?

Back

Al₂O₃

Front

Which of the following ions has a 2- charge? Cl⁻, Na⁺, O²⁻, K⁺

Back

O²⁻

Front

Why are ionic compounds typically brittle?

Back

Because the crystal lattice can easily break along when force is applied to it.