Thursday
October 23, 2014

Homework Help: Science

Posted by Sammi on Thursday, December 6, 2007 at 8:47pm.

Hey....I need help with my homework.
I'm in 9th grade, high school.
Its pyhsical science about Atomic Math..
Heres the question:

Multiply the atomic number of hydrogen by the number of electrons in mercury, which has an atomic number of 80.

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