Question

Which among the following is the right representation for carbon with its atomic and mass number?

• A. ${}_6^{12}C$
• B. ${}_{12}^{6}C$
• C. ${}_{12}^{12}C$
• D. ${}_{11}^{6}C$

Answer 1

The correct option is A

${}_6^{12}C$

The correct representation of an atom with its mass number and atomic number is as follows

${}_{\text{Atomic number}}^{\text{Mass number}}\text{Element symbol}$