1. How do you find the number of protons, nuetrons and electrons in an isotope? If someone could show me a formula I am sure I could figure it out.
Specifically 207Pb, 16O(o not zero), 40K, 137Cs, and 40Ar? (numbers should be superscript)
2. How do you find the number of electrons in a specific element? Aluminum and Mercury would be great examples.
Thank you in advance, I have not taken a science class in about 15 years and it is like reading greek to me.
2007-09-26
15:00:07
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2 answers
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asked by
Happy Killa Pants
2
in
Chemistry