Chapter 3 The Structure of Matter

Term
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molecule
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Terms in this set (17)
molecule
the smallest particle of a substance that has the same properties as the substance
atom
the building block of matter
Image: atom
solid
a form of matter that has a definite shape and volume
Image: solid
liquid
a form of matter that has a definite volume but no definite shape
Image: liquid
gas
a form of matter that has no definite shape or volume
Image: gas
state of matter
the form that matter has-solid, liquid, or gas
Image: state of matter
plasma
a very hot gas made of particles that have an electric charge
compound
a substance that is formed when atoms of two or more elements join together
element
matter that has only one kind of atom
Image: element
natural element
an element found in nature
modela picture, an idea, or an object that is built to explain how something else looks or worksnucleusthe central pat of an atomprotona tiny particle in the nucleus of an atomelectrona tiny particle of an atom that moves around the nucleusneutrona tiny particle in the nucleus of an atom that is similar to a proton in sizeatomic numbera number equal to the number or protons int he nucleus of an atommass numbera number equal to the sum of the numbers of protons and neutrons in an atom of an element

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