SSC GD 2023 PYQ — Question 31

The correct answer is option 1 i.e. 6

The chemical element carbon has the atomic number six and the symbol C.

• It is nonmetallic and tetravalent, which means that because its valence shell has four electrons, its atoms can form up to four covalent bonds.
• It is a member of periodic table group 14.
• Roughly 0.025 percent of the crust of the Earth is composed of carbon.