1. What element is this?
2. What is the atomic mass?
3. What is the atomic number?
4....
1. What element is this?
2. What is the atomic mass?
3. What is the atomic number?
4. How many energy levels?
5. What is the charge of the nucleus?
6. What is the charge of the electron cloud?
7. What is the charge of the atom?
8. How many protons?
9. How many neutrons?
10. What group number is this element in?
Answers: 3
Chemistry, 21.06.2019 17:00
Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?
Answers: 2
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