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26 Chem Review.

A stack of matter terms. Made by 2 7th Graders!

Matter with a definite volume but no definite shape. Liquid!
Combination of two or more atoms that are chemically bonded. Compound!
Change that does not involve in the formation of something new. Physical Change!
Matter with no definite volume or shape. Gas!
Neutrally charged particle in the nucleus. Neutron!
Positively charged particle in the nucleus. Proton!
Negatively charged particle orbiting the nucleus. Electron!
Anything that has mass and occupies space. Matter!
Center of an atom made of protons and neutrons. Nucleus!
Matter that has a definite volume and shape. Solid!
Amount of matter in an object. Volume!
Amount of space an object occupies. Mass!
Change that forms bonds creating new substances with different properties. Chemical Change!
Regions around an atom where electrons are orbiting. Electron Levels!
Combination of 2 or more substances that can be separated. Mixture!
Substances that are the building blocks of matter. Element!
Solid shape of some minerals made by the atomic pattern. Crystal!
An electrically charged atom due to gain or loss of electrons. ION!
Smallest part of a compound. Molecule!
Symbols and numbers that describe the number of atoms in one molecule of a compound. Chemical Formula!
Number of protons in the nucleus of one atom of an element. Atomic Number!
One or two letter code that stands for an element. Atomic Symbol!
Average mass of one atom of an element. Atomic Mass!
Smallest particle of an element. Atom!
Atoms of the same element with different numbers of neutrons. Isotopes!
Created by: alyazia



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