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Science
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Protons and neutrons
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Age 13-16
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level: 9
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English
Author's Instructions
HOW TO COUNT NUMBER OF PROTONS, NEUTRONS AND ELECTRONS BASED ON PROTON AND NUCLEON NUMBERS
-
Science
-
Protons and neutrons
-
Age 13-16
-
level: 9
-
English
Author's Instructions
HOW TO COUNT NUMBER OF PROTONS, NEUTRONS AND ELECTRONS BASED ON PROTON AND NUCLEON NUMBERS
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