Which combination of statements is correct? |
i. Magnesium and calcium are the elements whose atoms have two electrons in their outermost shell. |
ii. The atomic radius decreases on moving from left to right in the period of the periodic table. |
iii. The elements in a group have consecutive atomic numbers. |
iv. On going from left to right on a period of periodic table, the tendency to gain electrons increases. |
v. It is possible to have an elements with atomic numbers 3.5. |
A) i, ii, and v
B) i, iv and v
C) i, ii and iv
D) ii, iv and v
E) ii, iv and v
Correct Answer: C
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