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Physical Science, 5/e
Bill Tillery, Arizona State University
Compounds and Chemical Change

True or False



1

The representative elements have one to eight valence electrons.
A)TRUE
B)FALSE
2

An atom becomes a positive ion by gaining an electron.
A)TRUE
B)FALSE
3

Atoms gain or lose electrons in order to attain a valence shell arrangement like that of a noble gas.
A)TRUE
B)FALSE
4

The "-ide" ending in nitrogen dioxide tell you that this is an ionic compound.
A)TRUE
B)FALSE
5

The "2" in Mg(OH)2 tells you that the charge of the hydroxide ion is (-2).
A)TRUE
B)FALSE








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