Question

(ii) From the part of a periodic table, answer the following questions,
17
16
14
15
1
Fluorine
2
13
Oxygen
Hydrogen
Carbon
P
R
Y
z
(a)Atomic number of oxygen is 8. What would be the atomic number of fluorine:
(b) Out of X and Q which element has larger atomic size?give reason for answerer

(c)Out of Y and Z which element has smaller Atomic size?give reason for answer

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Answer 1

Answer:

(i) atomic number of fluorine is 9

(ii) X, because of less effective nuclear charge

(iii) Y,has smaller atomic size because new shell are added as we go down a group

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