Chemistry Vocabulary

Chemistry Vocabulary

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Section 1

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mass

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Last updated

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Date created

Mar 1, 2020

Cards (31)

Section 1

(31 cards)

mass

Front

A measure of the amount of matter in an object

Back

Proton

Front

A subatomic particle that has a positive charge and that is found in the nucleus of an atom

Back

acid

Front

A substance that tastes sour, reacts with metals and carbonates, and turns blue litmus red. A solution with a pH less than 7

Back

Matter

Front

Anything that has mass and takes up space

Back

volume

Front

Amount of space occupied by an object

Back

pH scale

Front

a measure of how acidic or basic a substance is 0-14

Back

neutron

Front

A subatomic particle that has no charge and that is found in the nucleus of an atom

Back

solid

Front

Definite shape and volume

Back

base

Front

A substance that tastes bitter, feels slippery, and turns red litmus paper blue. Any substance above 7 on the pH scale.

Back

Law of Conservation of Mass

Front

Matter is not created nor destroyed in any chemical or physical change

Back

nitrogen

Front

N

Back

Atom

Front

Basic unit of matter

Back

atomic number

Front

Number of protons

Back

heterogenous

Front

not similar; very different; mixed together

Back

chemical change

Front

A change in matter that produces one or more new substances

Back

element

Front

A pure substance made of only one kind of atom

Back

Nucleus

Front

Center of an atom

Back

atmosphere

Front

A mixture of gases that surrounds a planet or moon.

Back

homogenous

Front

of a similar kind

Back

chemical formula

Front

A combination of chemical symbols and numbers to represent a substance

Back

exothermic

Front

Reaction that releases energy

Back

gas

Front

A state of matter with no definite shape or volume

Back

Subatomic Particles

Front

protons, neutrons, electrons

Back

physical change

Front

A change of matter from one form to another without a change in chemical properties.

Back

liquid

Front

A state of matter that has no definite shape but has a definite volume.

Back

periodic table

Front

A chart of the elements showing the repeating pattern of their properties

Back

density

Front

Mass / Volume

Back

endothermic

Front

Absorbs heat

Back

electron

Front

A subatomic particle that has a negative charge

Back

mixture

Front

A combination of two or more substances that are not chemically combined

Back

compound

Front

A substance made up of atoms of two or more different elements joined by chemical bonds

Back