Question

Consider the following statements :
(I)n All isotopes of an elements have the same number of neutrons.
(II) only one isotope of an element can be stable and non-radioactive.
(III) All elements have isotopes
(IV) All isotopes of Carbon can form chemical compounds with Oxygen - 16
A. III and IV only
B. II ,III and IV only
C. I, II and III only
D. I,III and IV only

Answer 1

Correct Answer - A
All elements have isotopes. All isotopes of carbon can form chemical compounds with oxygen - 16.