Chemical Formula Vocab

Question 1

Chemical Formula

Answer 1

A shorthand method representing the composition of a compound through the use of chemical symbols and subscripts

Question 2

Chemical Symbol

Answer 2

A shorthand notation for an element that has a single capital letter or a capital letter and one or two lower case letters.

Question 3

Subscript

Answer 3

A number in a formula that indicates the proportions in of elements within a compound.

Question 4

Ion

Answer 4

An atom or a group of atoms having an electric charge

Question 5

Oxidation number

Answer 5

The numerical value that represents the charge on an individual atom or group of atoms.

Question 6

Monatomic Ion

Answer 6

A single charged atom

Question 7

Polyatomic Ion

Answer 7

A group of atoms having an electric charge

Question 8

Compound

Answer 8

A substance in which two or more elements are chemically combined by an ionic bond.

Question 9

Molecule

Answer 9

A neutral particle formed when atoms combined by a covalent bond

Question 10

Formula unit

Answer 10

The definite amount of a compound represented by its chemical formula