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Science Voc Unit 3

Vocabulary

QuestionAnswer
having a pH value of less than 7 acid
the smallest unit of an element atom
having a pH value of more than 7 base
a change in matter that produces new substances chemical change
a characteristic that is observed when a substance interacts with another substance chemical property
a substance made of two or more elements chemically combined in a set ratio compound
mass per unit volume density
a subatomic particle with a negative electric charge found outside of an atoms nucleus electron
one of a class of substances that cannot be separated into simpler substances by chemical means element
a state of matter with no definite shape or volume gas
a compound, as litmus, that changes color when in contact with an acid or base indicator
a state of matter that has a definite volume but no definite shape liquid
a measure of how much matter is in an object mass
Created by: JDzenowski
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