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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Write the Molecular Formulae of Magnesium Nitride:

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प्रश्न

Write the molecular formulae of Magnesium nitride:

एका वाक्यात उत्तर
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उत्तर

Magnesium nitride: Mg3N2 

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पाठ 4: Atoms, Molecules and Radicals - Exercise

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सेलिना Concise Chemistry [English] Class 7 ICSE
पाठ 4 Atoms, Molecules and Radicals
Exercise | Q 9.11

संबंधित प्रश्‍न

How many atoms are present in a H2S molecule?


What does 6NaNO3 represent ?


Write the molecular formulae of Sodiun sulphide: 


Write the molecular formulae of Hydrogen chloride :


The valency of sodium is one, write the molecular formula for sodium oxide ?


The valency of sodium is one, write the molecular formula for sodium carbonate ?


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.


Which contains more molecules, 10 g of sulphur dioxide (SO2) or 10 g of oxygen (O2) ?

(Atomic masses : S = 32 u ; O = 16 u)


Fill in the blank:

The formula of aluminium sulphate 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:

Ammonium sulphate


Name the following:

A molecule of a compound containing two oxygen atoms and one nitrogen atom.


Name the following:

The compound formed when iron [Fe2+] combines with oxygen [O2−].


Name the following:

A non-metal which forms a polyatomic molecule with more than three atoms.


Molecule containing more than three atoms are known as ______.


State true of false. If false, give the correct statement.

Atoms cannot exist alone. They can only exist as groups called molecules.


A molecule containing three atoms is called a ______ molecule.


A molecule that contains only one atom is called ______ molecule.


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