From the following part of the periodic table, answer any four questions18(A) to 18(E):
1 2 13 14 15 16 17
Lithium Carbon Oxygen Fluorine
X P Q
Y R
Z T
A) Which is the most reactive metal?
(i) P (ii) Q (iii) Y (iv) Z
B) The family of Fluorine Q,R,T is known as:
(i) Halogens (ii) Alkali metals
(iii) Transition Metals (iv) Noble gases
C) Which of these represent the correct element for each of group 2 and 15?
(i) Group 2 - Magnesium, Group 15 - Nitrogen
(ii) Group 2 - Nitrogen, Group 15 - Magnesium
(iii) Group 2 - Carbon, Group 15 - Nitrogen
(iv) Group 2 - Magnesium, Group 15 – Bromine
D) Name the element P placed below Carbon?
(i) Silicon (ii) Hydrogen (iii) Nitrogen (iv) Magnesium
E) Compare X and P with respect to the size of atoms:
(i) X is bigger in size than P (ii) X is smaller in size than P
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