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Matter Review Part 1

7th Grade Chemistry vocabulary

Neutron Neutrally charged particle in the nucleus.
Atom Smallest particle of an element.
Electron Negatively charged particle orbiting the nucleus.
Atomic Number Number of protons in the nucleus of one atom of an element.
Liguid Matter with a definite volume bu no definite shape.
Crystal Solid shape of some minerals made by the atomic pattern.
Molecule Smallest part of a compound.
Volume Amount of space an object occupies.
Ion An electrically charged atom due to gain or loss of electrons.
Compound Combination of 2 or more different atoms that are chemically bonded.
Electron Levels Regions around an atom where electrons are orbiting.
Isotopes Atoms of the same element with different numbers of neutrons.
Chemical Formula Symbols and numbers that describe the number of atoms in one molecule of a compound.
Created by: AyeshaBujasaim



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