2024 Honors Chemistry Final Exam

Front

What is the chemical name for CuSO4?

Back

copper (II) sulfate

Front

What happens to a Magnesium atom to make it an ion?

Back

It loses 2 electrons.

Front

Is 20 g greater than, less than, or equal to 2 kg?

Back

less than

Front

In the reaction N2 + 3H2 -> 2NH3, how many moles of hydrogen are needed to react with 2 moles of nitrogen?

Back

6 moles of hydrogen.

Front

What is the mass number and nuclear charge of Radon (Rn)?

Back

Mass # is 222, nuclear charge is 86.

Front

Define an ion.

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is the difference between cations and anions?

Back

Cations are positively charged ions (lost electrons), while anions are negatively charged ions (gained electrons).

Front

What is the molar mass of water (H2O)?

Back

The molar mass of water is approximately 18 g/mol.

Front

What is the principle of conservation of mass?

Back

The principle states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a balanced chemical equation?

Back

A balanced chemical equation has equal numbers of each type of atom on both sides of the equation.