Chemistry Unit 3 Review

Front

What type of bond is formed between metal atoms and non-metal atoms?

Back

Ionic bond.

Front

What is the chemical formula for Magnesium Sulfate?

Back

MgSO₄.

Front

Which of the following is NOT a correct ion representation? Hydroxide: OH⁻, Nitrate: N³⁻, Sulfate: SO₄²⁻, Sulfide: S²⁻

Back

Nitrate: N³⁻ is NOT correct.

Front

What is the total number of electrons in an atom with the electron configuration 1s² 2s² 2p⁶?

Back

10 electrons.

Front

What does a Roman numeral in a chemical formula indicate?

Back

The charge on the transition metal cation.

Front

Define ionic bond.

Back

A chemical bond formed through the electrostatic attraction between oppositely charged ions.

Front

What is the significance of the electron configuration of an atom?

Back

It describes the distribution of electrons in atomic orbitals.

Front

What is the formula for calculating the charge of a transition metal cation?

Back

The charge is determined by the number of electrons lost.

Front

What is the difference between molecular covalent and network covalent compounds?

Back

Molecular covalent compounds consist of discrete molecules, while network covalent compounds form a continuous network of atoms.

Front

What is the formula for sulfate?

Back

SO₄²⁻.