janicemartinusp2kd75 janicemartinusp2kd75

04-04-2018
Chemistry

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Please help!
The periodic table is based on an element's

A. atomic number.
B. molecular size.
C. molecular mass.
D. atomic mass.

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LillyPrince LillyPrince

04-04-2018

A.) atomic number
The periodic table is based on an element's atomic number.

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Аноним Аноним

04-04-2018

I've learned this recently it is A. Atomic number

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