Chem S1 Final Review

Front

What is the correct name for Na2O?

Back

Sodium oxide

Front

What is used to relate moles of one molecule to another in stoichiometry?

Back

Coefficient ratios

Front

What is the correct name for Cr2O3?

Back

Chromium(III) oxide

Front

What is the function of stoichiometry in chemistry?

Back

To determine the amount of a substance

Front

How is stoichiometry used to calculate the mass of a substance?

Back

Unit conversion factors are used to convert between units of grams and moles.

Front

What is the definition of a mole in chemistry?

Back

A mole is a unit that measures the amount of a substance, defined as exactly 6.022 x 10^23 particles.

Front

What is the molar mass of water (H2O)?

Back

The molar mass of water is approximately 18.02 g/mol.

Front

What is the law of conservation of mass?

Back

The law 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.

Front

What is the difference between an ionic bond and a covalent bond?

Back

An ionic bond is formed by the transfer of electrons, while a covalent bond is formed by the sharing of electrons.