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Posted by 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.

  • Science - , Thursday, December 6, 2007 at 9:23pm

    1 x 80 = 80

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