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प्रश्न
State the term
The combining capacity of an element _______
उत्तर
The combining capacity of an element valency.
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संबंधित प्रश्न
What does 2H2S represent ?
Write the molecular formulae of Hydrogen chloride :
Write the molecular formulae of Aluminium sulphate :
Fill in the blank
_______ is a triatomic molecule.
State the term
The symbolic representation of a molecule ______
State the term
A group of atoms that react as a single unit ______.
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.
Diagrammatically represent the transfer of electrons.
‘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.
State the correct formula of the following from the option given:
Ammonium sulphate
Name the following:
The compound formed when iron [Fe2+] combines with oxygen [O2−].
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Define molecule.
Express each of the following in kilograms
58.34 g
A molecule containing three atoms is called a ______ molecule.
A molecule that contains only one atom is called ______ molecule.
______ of an element consist of a fixed number of different types of atom.
