Units of Measurement Identification

Front

1 yard

Back

0.91m

Front

The number of protons + neutrons in the nucleus (the decimal number below the symbol on the periodic table)

Back

Mass number

Front

Indicates what energy level the electron is in and the probable distance from the nucleus. Symbol: n. Values of: n=1, 2, 3, 4, 5, 6.

Back

Principle Quantum Number

Front

A substance made from the atoms of two or more elements that are chemically bonded.

Back

Compound

Front

Liter (L)

Back

A unit of volume, often used to measure liquids.

Front

The basic unit of length in the metric system.

Back

Meter (m)

Front

The number of protons in the nucleus of an atom, which determines the element's identity.

Back

Atomic number

Front

A mixture of two or more substances that are not chemically bonded.

Back

Mixture

Front

The smallest unit of a chemical element, consisting of a nucleus surrounded by electrons.

Back

Atom

Front

The measure of the amount of matter in an object, typically measured in grams or kilograms.

Back

Mass