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12/11
Chem
Question | Answer |
---|---|
Relative mass of an electron | 1/1840 |
How was atomic mass calculated? | The weight of an atom compared to 1/12 of a carbon 12 atom. |
What are the types of Shells | P, F, D, S |
What ion is in a Base and how would it be described? | OH-, Proton Reciever |
What ion is in an Acid how would it be described? | H+, Proton Donor |
What is NH3 and what is it mass? | Ammonia, and 17 |
What is the short hand electron arrangement of Ca | [Ar] 4S2 |