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Electrons
negatively charged
Nucleus
Protons
Inside the nucleus of atoms are positively charged particles
called __________________________.
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The negatively charged particles are called ___________
protons
The positively charged particles are called ___________.
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electrons [negative]
protons [positive]
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.
free electron
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can
An atom that gains electrons is said to be negatively
charged. The atom above is gaining electrons. It will be
________________ charged.
MD0902
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