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September 19, 2014

September 19, 2014

Posted by **Lena** on Monday, July 6, 2009 at 3:29pm.

element:Z

subscript:29

Whats does the subscript and superscript represent?

- Chem -
**bobpursley**, Monday, July 6, 2009 at 3:35pmThe larger number (superscript) is the atomic mass number (number of protons, and neutrons).

The subscript is the number of protons, or the atomic number.

- Chem -
**Lena**, Monday, July 6, 2009 at 3:39pmThank you :)

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