The Mole

The Mole

Assessment

Flashcard

Chemistry

11th Grade

Hard

Created by

Carolyn Hudson

FREE Resource

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28 questions

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1.

FLASHCARD QUESTION

Front

Mole

Back

A fundamental unit in chemistry representing Avogadro's number of particles, usually atoms or molecules.

2.

FLASHCARD QUESTION

Front

Avogadro’s constant

Back

The number of constituent particles, usually atoms or molecules, that are contained in one mole, approximately 6.022 x 10^23.

3.

FLASHCARD QUESTION

Front

Relative atomic mass (Ar)

Back

The weighted average mass of the atoms in a naturally occurring element, relative to 1/12th the mass of a carbon-12 atom.

4.

FLASHCARD QUESTION

Front

Relative molecular mass (Mr)

Back

The sum of the relative atomic masses of the atoms in a molecule.

5.

FLASHCARD QUESTION

Front

Formula unit

Back

The lowest whole number ratio of ions represented in an ionic compound.

6.

FLASHCARD QUESTION

Front

Hydrates

Back

Compounds that have a specific number of water molecules bound to their atoms.

7.

FLASHCARD QUESTION

Front

Stoichiometric coefficient

Back

The number in front of a species in a chemical equation that indicates the ratio in which substances react or are produced.

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