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प्रश्न
State the term
The combining capacity of an element _______
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उत्तर
The combining capacity of an element valency.
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संबंधित प्रश्न
Write the molecular formulae of Calcium hydroxide :
Write the molecular formula of sulphuric acid.
Write the molecular formulae of Nitric acide :
Write the molecular formulae of Aluminium sulphate :
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 ______.
In hydrogen peroxide (H2O2), the proportion of hydrogen and oxygen by mass is :
Write the cations and anions present, if any, in the following :
- CH3COONa
- NaCl
- H2
- NH4NO3
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
Explain the term ‘atomicity’.
‘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:
Sodium bisulphite
Name the following:
A non-metal which forms a polyatomic molecule with more than three atoms.
Calculate the number of water molecules present in one drop of water which weighs 0.18 g.
How many atoms are present in a `PO_4^(3-)` ion?
What is the fraction of the mass of water due to neutrons?
Express each of the following in kilograms
58.34 g
Express each of the following in kilograms
0.584 g
