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

State the Atomicity of the Following: Oxygen

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प्रश्न

State the atomicity of the following:

Oxygen

एक शब्द/वाक्यांश उत्तर
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उत्तर

Diatomic

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पाठ 4: Atomic Structure - Exercise

संबंधित प्रश्‍न

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

Quick lime


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

Baking powder


Calculate the number of molecules of sulphur (S8) present in 16 g of solid sulphur.


Define: Mass number : 


Define: Atomic weight :


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

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


Molecular compounds are usually formed by the combination between :


Calculate the mass of 3.011 × 1024 atoms of carbon.


Correct the following statement:

A molecule of sulphur is monoatomic.


State the main points of the contradiction of Dalton’s atomic theory by the Modern Atomic Theory.


Give a reason why –

Helium is considered monoatomic, but hydrogen a diatomic molecule.


Give a reason why –

Ozone is considered triatomic, but phosphorus a tetratomic molecule.


State the atomicity of the following:

Chlorine


State the atomicity of the following:

Argon


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.  

Which of the following is a triatomic molecule?


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


Give any two examples for heterodiatomic molecules.


Write any two classifications of a molecule.


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