Chemistry Unit 6 Vocabulary

6.022 x 10^23 : the number of representative particles in a mole of a substance

• Avogadro's Number

• Molar Mass

• Mole Concept

• Atom

The mass in grams of a mole of a substance

• Avogadro's Number

• Molar Mass

• Mole Concept

• Atom

The idea that the number of particles and mass of a substance can be calculated using the SI unit mole

• Avogadro's Number

• Molar Mass

• Mole Concept

• Atom

The simplest ratio of the different elements in a given compound

• Empirical Formula

• Molecular Formula

• Mole Ratio

• Formula Unit

The chemical formula of a molecule that includes how many atoms of each element are present in a single molecule

• Empirical Formula

• Molecular Formula

• Mole Ratio

• Formula Unit

Tells you by mass what percent of each element is present in a compound

• Scientific Notation

• Mole Ratio

• Percent Composition

• Formula Unit

A group of 2 or more atoms that are held together by chemical bonds

• Molecule

• Atom

• Formula Unit

• Avogadro's Number

A way to express numbers as the product of two numbers: a coefficient and the number 10 raised to a power: # x 10#

• Scientific Notation

• Mole Ratio

• Percent Composition

• Formula Unit

The ratio between the amounts in moles of any 2 compounds involved in a balanced chemical reaction

• Scientific Notation

• Mole Ratio

• Percent Composition

• Formula Unit

Smallest unit into which matter can be divided

• Molecule

• Atom

• Formula Unit

• Avogadro's Number