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Byju's Answer
Standard XII
Chemistry
Trend in Ionisation Enthalpy
With which of...
Question
With which of the following configuration an atom has the lowest ionisation enthalpy 1s2 2s2 2p6 1s2 2s2 2p5 1s2 2s2 2p3 1s2 2s2 2p5 3s1
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Similar questions
Q.
The atomic number of element with electronic configuration:
1
s
2
2
s
2
2
p
3
is:
Q.
Hlw is the subshell electronic configuration of 1s2 2s2 2p6?
Q.
Name the elements with the following electronic configuration.
1
s
2
2
s
2
2
p
6
3
s
2
3
p
1
Q.
Three atoms have the following electron configurations respectively:
(i)
1
s
2
2
s
2
2
p
6
3
s
2
3
p
1
(ii)
1
s
2
2
s
2
2
p
6
3
s
2
3
p
5
(iii)
1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
4
s
1
(a) Which of the three has the largest
(
I
E
)
1
?
(b) Which has the largest
(
I
E
)
4
?
Write your answer as a two digit number.
Ex - If answer for a & b is 3 & 2 respectively, answer as 32.
Q.
Match the electronic configurations of the elements given in List - I with their correct characteristic(s) (i.e., properties for given configuration) given in List - II.
List-I
List - II
P.
1
s
2
1.
Element shows highest negative oxidation state
Q.
1
s
2
2
s
2
2
p
5
2.
Element shows highest first ionisation enthalpy
R.
1
s
2
2
s
2
2
p
6
3
s
2
3
p
5
3.
Element shows highest electronegativity on Pauling scale
S.
1
s
2
2
s
2
2
p
2
4.
Element shows maximum electron gain enthalpy (most exothermic)
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