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Byju's Answer
Standard XII
Chemistry
Introduction
State true or...
Question
State true or false.
If there are
10
electrons and
8
neutrons in
X
2
−
, then its ionic mass is
18
.
A
True
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B
False
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Solution
The correct option is
B
False
As, Ionic mass
=
neutron + proton
=
8
+
8
=
16
and number of protons
=
number of electrons in neutral species.
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If
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