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Biology Vocab

TermDefinition
Matter Anything that occupies and hass mass.
Mass
Element Pure substance that cannot be broken down into other substances by chemical or physical means.
Atom Smallest particle of an Element.
Nucleus Ball-like mass of fibors and granules in a cell nucleus.
Proton Subatomic particle that has no change (is electrically neutral)
Neutron Number of protons in an atoms nucleus in unique for each statement.
Atomic Number Number of protons in an atoms nucleus is uniquefor each statement.
Mass Number
Electron Substance particle with a single unit of negative electric charge.
Compound Subatomic containing tow or more elements chemically combined in a fixed ratio.
Covalent Bond Chemical bond that forms when two atoms share electron.
Molecule Two or more atoms held together by covalent bonds
Ion Atom that has become electrically charged as a result of gaining or losing an electron
Ionic Bond
Energy``
Created by: 1354480
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