it is 6, all isotopes of carbon have 6 electrons and 6 protons which is why its atomic number is 6
I think A would be the correct answer to this question.
Answer:
peroid num= 3
group num=13 (boron Group)
Explanation:
Chemistry is the science and study of matter, including its properties, composition as well as reactivity. ... The atom and molecules are the basic unit or components of Chemistry. The study of chemists is always interested in identifying and knowing how the chemical transformation occurs.