Which one of the following statements is correct? |
(i) Modern periodic table is based on atomic masses of elements. |
(ii) 6th period of the modern periodic table contains 32 elements. |
(iii) The valence cells of all the noble gases are completely filled with electrons. |
(iv) The elements in a group of a modern periodic table have consecutive atomic numbers. |
(v) Elements having 3 valance electrons are placed in group 3 in the modern periodic table. |
A) (i) and (ii)
B) (ii) and (iii)
C) (i), (ii) and (iii)
D) (iii), (iv) and (v)
E) None of these
Correct Answer: B
You need to login to perform this action.
You will be redirected in
3 sec