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Byju's Answer
Standard XII
Chemistry
Covalent Bond vs Ionic Bond
99.The number...
Question
99.The number of non bonded electron pairs in ClO4 - ion is 1) 6. 2) 9. 3) 4. 4) 10
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Similar questions
Q.
Number of non-bonding electron pairs on
X
e
in
X
e
F
6
,
X
e
F
4
and
X
e
F
2
respectively will be:
Q.
In
N
O
−
3
ion, find the number of bond pairs and lone pairs of electrons on nitrogen atoms.
[If the answer is 2 and 4, represent as 24]
Q.
(
2
7
5
4
3
9
6
2
4
9
5
4
8
2
6
3
)
In the above number sequence, how mnay pairs of adjacent numbers are there, whose product is
12
?
Q.
How many such
4
′
s
are there in the given below arrangement which are immediately preceded by a pair of numbers whose product is more than the product of a pair of numbers immediately following
4
?
4
3
7
8
4
4
5
6
4
3
2
4
1
7
4
4
5
2
1
4
6
8
9
4
8
9
4
7
8
6
4
2
5
4
4
6
2
Q.
Multiplication Patterns
9 × 1 = 9
9 × 2 = 18
1 + 8 = 9
9 × 3 = 27
2 + 7 = 9
9 × 4 = 36
3 + 6 = 9
9 × 5 = 45
4 + 5 = 9
9 × __ = __
__ + __ = __
9 × __ = __
__ + __ = __
9 × 8 = __
__ + __ = __
Did you see the pattern in the 9 times table? What numbers are adding up to 9?
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