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Byju's Answer
Standard X
Chemistry
Mole Concept
The diagram g...
Question
The diagram given below represents the atom of an element.
Which symbol gives the above information?
A
9
4
B
e
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B
9
4
F
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C
9
4
B
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D
9
4
O
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Solution
The correct option is
A
9
4
B
e
The element specified is has
5
neutrons and
4
protons and
4
electrons. Thus its atomic number is
4
and atomic mass number
=
5
+
4
=
9
Thus it is Be and is represented as
9
4
B
e
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