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Byju's Answer
Standard XII
Chemistry
Valency and Oxidation State
Element 'X'...
Question
Element
′
X
′
is having atomic number
28
,
it gives two electrons to element
′
Y
′
.
Write down the characteristics of that block
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Solution
X
28
−
1
s
2
2
s
2
2
p
6
3
s
2
3
p
6
3
d
8
4
s
2
X
belongs to
d
−
block.
the characteristics of
d
−
block
1.
It exhibits variable oxidation states
2.
Forms colored compounds
3.
Last electron enters
d
subshell
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Similar questions
Q.
Element
′
X
′
is having atomic number
28
,
it gives two electrons to element
′
Y
′
.
In which block
′
X
′
belongs?
Q.
Element
′
X
′
is having atomic number
28
,
it gives two electrons to element
′
Y
′
.
Write down the electronic configuration of
′
X
′
and its ion
Q.
Write down the characteristics of the elements having an atomic number
17
.
Q.
Write down the characteristics of the elements having atomic number 17.
Electronic configuration ____________________________________
Period number ____________________________________
Group number ____________________________________
Element family ____________________________________
No. of valence electrons ____________________________________
Valency ____________________________________
Metal or non-metal ____________________________________.
Q.
11
,
17
,
10
are the atomic number of elements
X
,
Y
,
and
Z
.
Write down their subshell electronic configuration, group, block, period,
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