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Sci. Vocab Words 11

Science Grade 8 Chapter 11 Vocab Words

QuestionAnswer
The Smallest particle into which an element can be divided and still be the same substance Atom
A unifing explination for a broad range of hypothosis and observations that have been supported by testing Theory
The negativley charged particles found in all atoms; involved in chemical bonds electrons
the tiny, extremely dense, positively charged region in the center of an atom; made up of protons and neutrons nucleus
the regions inside an atom where electrons are likely to be found electron clouds
the positvely charged particles of the nucleus; the number of this particle in a nucleus is the atomic number that determinesthe identity of an element protons
the particles of the nucleus that have no charge neutrons
the number of protons in the nucleus of an atom atomic number
atoms that have the same number if protons but have different numbers of neutrons isotopes
the weighted average of the masses of all the naturally occurring isotopes of an element atomic mass
Created by: 1834784610
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