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atoms and periodic t
Question | Answer |
---|---|
what is a proton? | it is a positively charged particle found in the nucleus of an atom |
what is a electron | a negatively charged particle found on the outer shell of an atom. |
what is an neutron | A neutrally charged particle found in the nucleus of an atom |
what element has the symbol be | beryllium |
what is the atom number of Po | Polonium |
what is the atom number of Zr | Zirconium |
what is the the atom number of Tc | Technetium |