Sunday
April 20, 2014

Homework Help: chemistry

Posted by Sarah on Monday, September 20, 2010 at 4:41pm.

Which of the following statements about protons are false? (Select all that apply.)



1)Protons have twice the mass of neutrons.
2)Protons have a much greater mass than electrons.
3)Protons have about the same mass as neutrons.
4)Some atoms do not have any protons.


I put 1 but it said it was wrong

i rly need help!

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