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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 formula of sulphuric acid.
Write the molecular formulae of Iron (II) sulphide :
Write the molecular formulae of Calcium phosphate :
State the term
The symbolic representation of a molecule ______
What is a molecule ? Explain with an example.
If 1 gram of sulphur dioxide contains x molecules, how many molecules will be present in 1 gram of oxygen ?
(S = 32 u ; O = 16 u)
How many units of charge are developed on each atom?
‘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.
Fill in the blank:
A molecule of an element is _________.
State the correct formula of the following from the option given:
Aluminium phosphate
State the correct formula of the following from the option given:
Copper [II] nitrate
Name the following:
The compound formed when iron [Fe2+] combines with oxygen [O2−].
Molecule containing more than three atoms are known as ______.
Calculate the number of water molecules present in one drop of water which weighs 0.18 g.
Express each of the following in kilograms
5.873×10−21g
A molecule containing three atoms is called a ______ molecule.
