Flashcards
science chapter 11 vocab
Flashcards do conjunto (13)
- 1atomsmallest particle into which an element can be divided
- 2theorya unifying explanation for a broad range of hypotheses and observations that have been supported
- 3electronsnegatively charged particle in an atom
- 4modelrepresentation of an object
- 5nucleusthe center of the atom that is very dense and positivly charges
- 6electron cloudsarea where electrons are found
- 7protonspositively charged particles in the nucleus
- 8atomic mass unitSI unit used for expressing particles in atoms
- 9neutronsparticles where there is no charge
- 10atomic numbernumber of protons in the nucleous
- 11isotopesatoms that have the same number of protons but have different neutrons
- 12mass numberthe sum of protons and neutrons in an atom
- 13atomic massthe weighted average of the masses of all naturally occurring isotopes of an element
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- FlashCards sobre science chapter 11 vocab, criado por Nicholas Barnhart em 27-10-2018.
- Criado por
- Nicholas Barnhart · out 2018
- Atualizado
- 27 out 2018
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