Carbon and its Compounds

Carbon and its Compounds   What is the percentage of carbon present in the Earth’s crust?a) 0.02%b) 0.03%c) 2%d) 3%Answer: a) 0.02% Carbon achieves noble gas configuration by:a) Gaining four electronsb) Losing four electronsc) Sharing four electronsd) Donating four electronsAnswer: c) Sharing four electrons What is the atomic number of carbon?a) 4b) 6c) 8d) 10Answer: […]