Flashcards
science ch.12
Cards in this deck (9)
- 1atomsmallest possible unit into which matter can be divided without changing its properties
- 2atoms are the building blocks of...............matter
- 3opposite charges...... like charges..............attract
repel - 4protonequal to # of electrons
positively charged in nucleus
helps make up nucleus
1 amu
equal to atomic #
contributes to atomic mass - 5neutronsno charge
helps make up nucleus
counters the repulsion of protons
contributes to atomic mas
1 amu - 6Label it
- 7orbit/level electron maximum: 1st: 2nd: 3rd:2
8
8 or 16
etc. - 8electron cloudregion inside nucleus where electrons are li to be found
- 9—
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- 8th grade Scienece Flashcards on science ch.12, created by Catherine Gallegos on 08/10/2015.
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- Catherine Gallegos
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- Created by Gabriela Medina · Oct 8, 2015
- Copied by Catherine Gallegos · Oct 8, 2015
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