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Inside the nucleus of atoms are positively charged particles
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The negatively charged particles are called ___________
The positively charged particles are called ___________.
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Some types of atoms (mostly in metals) have electrons that
are free to move from one atom to another. These electrons
are called "free electrons". The electrons moving from atom
A to atom B is a _________________.
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Free electrons (can/cannot) leave their atom.
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An atom that gains electrons is said to be negatively
charged. The atom above is gaining electrons. It will be