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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?
Write the molecular formulae of Magenesium oxide :
The valency of sodium is one, write the molecular formula for sodium hydroxide ?
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 ______.
What is a molecule ? Explain with an example.
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
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)
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.
Fill in the blank:
A molecule of an element is _________.
State the correct formula of the following from the option given:
Calcium hydroxide
State the correct formula of the following from the option given:
Sodium bisulphite
Name the following:
A molecule of a compound containing two oxygen atoms and one nitrogen atom.
Molecule containing more than three atoms are known as ______.
Define molecule.
Express each of the following in kilograms
5.84 × 10−3 mg
Compute the number of ions present in 5.85 g of sodium chloride
A molecule that contains only one atom is called ______ molecule.
