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प्रश्न
What is the number of electrons after the transfer of electrons in magnesium and sulphur atoms.
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उत्तर
Eight
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संबंधित प्रश्न
How many atoms are present in a H2S molecule?
What does 2C02 represent ?
Write the molecular formulae of Calcium hydroxide :
Write the molecular formulae of Hydrogen chloride :
Write the molecular formula of sulphuric acid.
Write the molecular formulae of Nitric acide :
The valency of sodium is one, write the molecular formula for sodium oxide ?
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)
‘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.
Explain the term ‘atomicity’.
State the correct formula of the following from the option given:
Calcium hydroxide
State true of false. If false, give the correct statement.
Atoms cannot exist alone. They can only exist as groups called molecules.
Define molecule.
How many atoms are present in a PO4 3– ion?
Express each of the following in kilograms
5.84 × 10−3 mg
Express each of the following in kilograms
58.34 g
A group of atoms carrying a fixed charge on them is called ————.
A molecule that contains only one atom is called ______ molecule.
