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प्रश्न
How many atoms are present in a `PO_4^(3-)` ion?
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उत्तर
5 atoms because `PO_4^(3-)` ion has one atom of phosphorus and four atoms of oxygen.
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संबंधित प्रश्न
Write the molecular formulae of Calcium phosphate :
The valency of sodium is one, write the molecular formula for sodium nitratev ?
State the term
A group of atoms that react as a single unit ______.
Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?
(Atomic masses : S = 32 u ; O = 16 u)
‘Atoms of the same element or different from Dalton’s atomic theory by the Modern Atomic Theory.
Give two examples each of –
- Atoms of the same element
- Atoms of different elements combining to form a molecule.
‘Dilute hydrochloric acid is added to sodium hydroxide’. Give a word equation and a molecular equation of the same. Is the equation written, a balanced equation. Give reasons.
State the correct formula of the following from the option given:
Calcium hydroxide
Name the following:
A molecule of a compound containing two oxygen atoms and one nitrogen atom.
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
How many atoms are present in a PO4 3– ion?
