Basic Chemistry Concepts

Front

Atom

Back

Smallest unit of matter. the smallest unit of an element that has the properties of that element (related word: atomic)

Front

Law

Back

Scientific principle

Front

Structure

Back

Arrangement of parts

Front

Halogen

Back

Group 17 elements. These elements are highly reactive, and, depending on the element, can be a solid, a liquid, or a gas at standard conditions.

Front

Metalloid

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Properties of metals and nonmetals

Front

Nonmetal

Back

elements that are poor electrical conductors and tend to accept electrons easily

Front

Proton

Back

Positively charged particle

Front

Neutron

Back

Neutral particle in nucleus

Front

Electron

Back

Negatively charged particle

Front

Atomic Number

Back

Number of protons