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Ch,2 Sec 1 and 2 sci

The nature of matter

TermDefinition
matter is anything that has mass and takes up space
substance is a single kind of matter that is pure,meaning it always has a specific makeup and a specific set of properties
physical property is a characteristic of a pure substance that can be observed without changing it into another substance
chemical property is a characteristic of a pure substance that describes its ability to change into different substances
elements is a pure substance that cannot be broken down into any other substances by chemical or physical means
atom is the basic particle from which all elements are made
chemical bond when atoms combine. Which is a force between two atoms.
Molecules atoms combine to form larger particles called these
compound is a pure substance made of two or more elements chemically combined in a set radio
chemical formula A compound may be represented by ________ _______which shows the elements in the compound and the ratio of atoms
mixture is made of two or more substances
solution is an example of a homogeneous mixture
homogeneous mixture the substances in this are so evenly mixed that you cant see the different parts
heterogeneous mixture In this you can see different parts
physical change is any change that alters the form or appearance of matter but does not make any substance in the matter into a different substance
chemical change a change in matter that produces one or more new substances
Created by: 1820252912
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