Homework Help: Science

Posted by Vanessa on Sunday, December 18, 2011 at 5:12pm.

Which statement about subatomic particles is NOT true?

A.) Protons and neutrons have almost the same mass.
B.) Protons and electrons have opposite charges.
C.) Unlike protons and electrons, neutrons have no charge.
D.) Protons and neutrons have the same charge.

Science - Vanessa, Sunday, December 18, 2011 at 5:14pm
How many neutrons are in the isotope carbon-14?

A.) 6
B.) 8
C.) 12
D.) 14

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