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atoms and periodic t
Question | Answer |
---|---|
What is a proton? | a positive charge in the nucleus |
what is a neutron? | a neutral charge inside of the nucleus |
What is a electron? | a negative charge on the outside of a shell |
What is Na on the periodic table | Sodium |
What is the atomic number of krypton | kr |
what element on the periodic table has 2 protons | helium |
what element is Au on the periodic table | Gold |