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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

State the Atomicity of the Following: Sulphur - Chemistry

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प्रश्न

State the atomicity of the following:

Sulphur

एक शब्द/वाक्यांश उत्तर
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उत्तर

Polyatomic

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अध्याय 4: Atomic Structure - Exercise

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संबंधित प्रश्न

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


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


 Define: Atomic number


Define: Mass number : 


Define: Atomic weight :


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 does oxygen gas occur in nature ?


In what form do noble gases occur in nature?


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 :


Calculate the mass of 3.011 × 1024 atoms of carbon.


Correct the following statement:

A molecule of sulphur is monoatomic.


Why are the symbols and formulae of substances important?


Give one example of a polyatomic molecule.


Give a reason why –

Helium is considered monoatomic, but hydrogen a diatomic molecule.


State the atomicity of the following:

Neon


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


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.  

Define: Atomicity.


Derive the relationship between Relative molecular mass and Vapour density.


Write any two classifications of a molecule.


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