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Give any two examples for heterodiatomic molecules. - Science

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प्रश्न

Give any two examples for heterodiatomic molecules.

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उत्तर

Heterodiatomic molecules.
e.g.,

  • HCl
  • NaCl
  • CO
  • HBr
  • HF.
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पाठ 7: Atoms and Molecules - Evaluation [पृष्ठ १०४]

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सामाचीर कलवी Science [English] Class 10 SSLC TN Board
पाठ 7 Atoms and Molecules
Evaluation | Q VI. 4. | पृष्ठ १०४

संबंधित प्रश्‍न

Write down the name of a compound represented by the following formula:

Al2(SO4)3


Write down the name of a compound represented by the following formula:

CaCl2


Write down the name of a compound represented by the following formula:

CaCO3


Give the name of the element present in the following compound: 

Hydrogen bromide


Give the name of the element present in the following compound: 

Baking powder


Give the name of the element present in the following compound: 

Potassium sulphate


State the term.

The number of atoms present in a molecule of an element _________


 Define: Atomic number


Define: Atomic weight :


What is meant by atomicity ? Explain with two examples.


Write the formulae of the following compounds. Also name the elements present in them.

  1. Water
  2. Ammonia
  3. Methane
  4. Sulphur dioxide
  5. Ethanol

In what form do noble gases occur in nature?


What do the following denote ?

  1. N
  2. 2N
  3. N2
  4. 2N2

Work out the formula for magnesium hydrogencarbonate.


What are (i) ionic compounds, and (ii) molecular compounds ? Give two examples of each type of compounds.


The cation of an element has :


Molecular compounds are usually formed by the combination between :


Calculate the mass of 3.011 × 1024 atoms of carbon.


Why are the symbols and formulae of substances important?


Explain the term – molecules. Give three examples of atoms of the same element forming a molecule. State the atomicity of the same.


Give one example of a triatomic molecule


State the atomicity of the following:

Oxygen


State the atomicity of the following:

Chlorine


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

NaCl represents one molecule of sodium chloride.


Classify the following molecules as the molecules of element or compound

1.  
2.  
3.  
4.  

If a molecule is made of similar kinds of atoms, then it is called ______ atomic molecule.


Two elements sometimes can form more than one compound.


Derive the relationship between Relative molecular mass and Vapour density.


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