Chemicals Vocabulary

the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element present in a chemical formula

• Chemical

• Subscript

• Chemistry

• Discript

A substance made of only one kind of matter and having definite properties; a substance that is not mixed with any other substance

• Pure Substance

• Soda

• Matter

• Chemistry

the solid that is formed as a result of a precipitation reaction

• Ice

• Element

• Precipitate

• Matter

Physical change is

• a storage area for waste

• Chemically changing atoms

• Solid that forms in a liquid

• change which alters the physical properties of a substance without changing its identity

A pure substance that cannot be broken down into simpler substances

• Biology

• Formula

• Element

• Precipitate

a pure substance made by chemically combining two or more elements; represented by a chemical formula

• Compound

• Element

• Pure Substance

• Subscript

representation of the name of an element; written as a capital letter or a capital letter followed by a lowercase letter(s)

• Chemical Symbol

• Formula

• Periodic Table

• Metal

a change caused by the interaction of two or more substances resulting in the formation of new substances

• Chemical Reaction

• Elements

• Compounds

• Chemistry

a representation of a compound in which the elements are represented by their symbols and subscripts (represent the number of atoms of each element)

• Chemical Formula

• Atomic Structure

• Mass

• Chemical experiment

the formation of a new substance with different properties; cannot be undone by physical means

• Elements

• Chemical Change

• Subscript

• Physical Formula