A text with many blanks will appear on the screen. You have to choose the correct words from the given box to fill each blank with a correct word.
The electrons that orbit closest to the nucleus are strongly (1) ……….. They are called bound electrons. The electrons that are father away from the pull of nucleus can be forced out of their (2) ……..These are called free electrons. Free electrons can (3) …………from one atom to another. This movement is known as electron (4) ………. Electricity is the movement or flow of electron from one atom to another.
(1) Attacked, (2) move, (3) line, (4) signal, (5) attracted, (6) sign, (7) orbits, (8) flow
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