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Chapter 1, part 1

Higuera

Matter and Change

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Across
1.a change in which one or more substances are converted into different substances
7.a pure substances that cannot be broken down into simpler, stable substances and is made of one type of atom
10.anything that has mass and takes up space
11.matter that has a definite shape and volume
13.do not depend of the amount of matter
14.a change in a substance that does not involve a change in the identity of the substance
15.substances that are formed in a chaemical change
16.high-temperature physical state of matter in which atoms lose most of their electrons, particles that make up atoms
17.matter with a definite volume but indefinite shape
18.a characteristic that can be observed or measured without changing the identity of the substance
Down
2.depend on the amount of matter
3.physical change of a substance from one state to another
4.a substance that can be broken down into simpler stable substances. Each compound is made from the atoms of two or more elements
5.the smallest unit of an element that maintains the chemical identity of that element
6.study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes
8.measure of the amount of matter
9.matter that has neither a definite shape or volume
12.substances that react in a chemical change

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