मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

State the Atomicity of the Following: Argon

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प्रश्न

State the atomicity of the following:

Argon

एक शब्द/वाक्यांश उत्तर
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उत्तर

Monoatomic

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पाठ 4: Atomic Structure - Exercise

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:

KNO3


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


What is meant by atomicity ? Explain with two examples.


What is the atomicity of the following ?

  1. Oxygen
  2. Ozone
  3. Neon
  4. Sulphur
  5. Phosphorus
  6. Sodium

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 is the difference between the molecule of an element and the molecule of a compound? Give one example of each.


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


Molecular compounds are usually formed by the combination between :


An element A forms an oxide A2O5.

What is the valency of element A ?


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 polyatomic molecule.


State the atomicity of the following:

Oxygen


Which of the following is a short and scientific way of representing one molecule of an element or compound?


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.


Give any two examples for heterodiatomic molecules.


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