Two elements which can form a large number of compounds are (1) Carbon and Hydrogen (2) Carbon and Nitrogen (3) Carbon and Oxygen (4) Carbon and Sulphur Answer : Carbon and Hydrogen...
After carbon, hydrogen, and oxygen, the next most abundant element in proteins is: Answer : ANSWER: NITROGEN...
The most abundant element in the universe is thoug to be: w) carbon x) oxygen y) hydrogen z) nitrogen Answer : ANSWER: Y -- HYDROGEN...
The most abundant element by number in the living system is : (1) Nitrogen (2) Hydrogen (3) Oxygen (4) Carbon Answer : Hydrogen...
Organic chemistry involves molecules that contain which element? a. carbon c. oxygen b. nitrogen d. calcium Answer : a. carbon...
50.5k questions
47.1k answers
240 comments
7.0k users
