Question

Q18. Read the following and answer any four questions from 18 (7) 10 18 (*)
Modem penodic table has 18 vertical columns known as groups and 7 honizontal row's known
as penods First period contains 2 clements second and third period contain & clements 4th
and 5th penod contains 18 elements and oth and 7th perod contains 32 elements. The graph
is plotted between atomic number and atomic radius of group 17 and group I clements
TOR (262)
Group !
REX244)
200
K (231)
Atomic
150. "Na (154)
(152)
Br (114)
Group 17
C1 (90)
.
Abowa runto
(1) Which of the following has lowest electromagnit ?
?
(a)
(h) Br
Pe Na
(d) CI
() Which among the followig groups will have clements with largest atomic radu"
(1) Group-17 (h) Group-15 (1) Group-2
) Group-1
(1) Which of the following acccpi clectron casily!
(b) Br
(c) C1
(iv) What happens to atomic radii in a group from top to bottom
(a) Increases then decreases
(h) Decreases
(c) Increases
(Decreases then increases
(1) Which clement is responsible for increasing blood pressure
(a)
(b) 1​

Answer 1

Answer:

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