From the following part of the periodic table, answer the following questions :
From the following part of the periodic table, answer the following questions :
| 1
Lithium |
2 | 13 | 14
Carbon |
15 | 16
Oxygen |
17
Fluorine |
| X | P | Q | ||||
| Y | R | |||||
| Z | T |
(i) which is the most reactive metal ?
(ii) Name the family of fluorine Q, R, T
(iii)Name one element each of group 2 and 15.
(iv) Give the name of the element P placed below carbon.
(v) Compare X and P with respect to the size of atoms.
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(i) Z.
(ii) Halogens.
(iii) Magnesium and nitrogen.
(iv) Silicon.
(v) X has bigger size than P because X has less effective nuclear charge.
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