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26 Chem Review.
A stack of matter terms. Made by 2 7th Graders!
Question | Answer |
---|---|
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! |