Physics, 12.06.2020 16:57, CHRONICxDJ

Matthew is looking at two different atoms. One has 8 protons and 10 neutrons. The other substance has 8 protons and 12 neutrons. Are these the same element? Why or why not?

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Matthew is looking at two different atoms. One has 8 protons and 10 neutrons. The other substance ha...