how many atoms are present in a . i) H2S molecule and . ii(PO4)3 ions?
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How many atoms are present in a (i) H2S molecule and (ii) PO43- ion? Answer: (i)3 atoms because H2S molecule has two atoms of hydrogen and one atom of sulphur. (ii) 5 atoms because PO43- ion has one atom of phosphorus and four atoms of oxygen.
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i) H₂S (Hydrogen Sulphide) contains 2 atoms of Hydrogen and 1 atom of Sulphur. Hence, There are three atoms in the molecule.
ii) (PO₄)³⁻ (Phosphate ion) contains 1 atom of Phosphorus and 4 atoms of Oxygen. The negative power of an ion will not affect its atomicity. So, There are five atoms in the ion.
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