Answer:
The element is CARBON
The number 6 refers to the ATOMIC NUMBER
the numbers 12, 13, and 14 refer to the ATOMIC MASS
how many protons and neutrons are in the first isotope?
6. 6
how many protons and neutrons are in the second isotope?
6. 7
how many protons and neutrons are in the third isotope?
6. 8
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