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5th Unit B Chapter 1

Classifying Matter

QAnswer
Most of the mass of an atom is in the nucleus
A change that produces new substances with new properties is called a chemical change
An ____________ is a particle in an atom that has a negative charge. electron
In a ____________, the parts are spread out evenly. solution
An _______________ is made up of only one kind of atom. element
A ____________ is a particle in an atom that has a positive charge. proton
You can use your senses to observe a ______________ of a substance. physical property
Sand and iron fillings together can make up a ______________ mixture
Elements are classified in the _______________. periodic table
Melting ice is an example of a _________________. physical change
One step in a series of steps that take place in a chemical change is a _________________. chemical reaction
The particle of an atom that has no charge is a ________________. neutron
The smallest particle of an element is an ________. atom
When two or more atoms that are alike or different combine, they can form a ______________. molecule
A substance that forms when two or more different kinds of atoms combine is a _______________. compound
A ___________________ of a substance indicates how it reacts with other substances. chemical property
Created by: 1358784666
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