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Byju's Answer
Standard X
Chemistry
Mole Concept and Avogadro's Number
How many atom...
Question
How many atoms are present in a
(a)
H
2
S
molecule and
(b)
P
O
3
−
4
ion?
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Solution
(i) Three (Two hydrogen atoms and one sulphur atom)
(ii) Five (One phosphorus and four oxygen)
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Similar questions
Q.
How many atoms are present in a
(i) H
2
S molecule and
(ii) PO
4
3−
ion?
Q.
How many atoms are present in
P
O
4
3
−
ions and
H
2
S
molecules?
Q.
Question 4 (i)
How many atoms are present in a:
(i)
H
2
S
molecule
Q.
3) What is meant by the term chemical formula?
4) How many atoms are present in a
(i)
H
2
S
molecule and
(ii)
P
O
3
−
4
ION ?
Q.
Question 4 (ii)
How many atoms are present in a:
(
i
i
)
P
O
3
−
4
i
o
n
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