Carbon atom is _____.
A. Monovalent
B. Divalent
C. Tetravalent
D. Trivalent
Answer
Correct Answer: C. Tetravalent
One gram atom of carbon(C) is equal to _____.
A. 10 g
B. 12 g
C. 16 g
D. 23 g
The natural abundance of C-12 is _________.
A. 95.10%
B. 95.89%
C. 96.80%
D. 98.89%
Among the carbon isotopes, ______ is the most stable isotope compared with C-13 and C-14.
A. C-10
B. C-11
C. C-12
D. C-15