thaliasoto1809 thaliasoto1809

15-12-2020
Chemistry

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2. Moving down any group of the periodic table... (highlight the answer)
1. Atomic number and atomic mass decrease
2. Atomic number and atomic mass increase
3. Atomic number increases but atomic mass decreases
4. Atomic number decreases but atomic mass increases

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ieiuejejwnwjo9299292 ieiuejejwnwjo9299292

15-12-2020

I don’t think you can get a hold of him if I have a

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