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

Give a Reason Why – Ozone is Considered Triatomic, but Phosphorus a Tetratomic Molecule.

Advertisements
Advertisements

प्रश्न

Give a reason why –

Ozone is considered triatomic, but phosphorus a tetratomic molecule.

आकृती
एका वाक्यात उत्तर
Advertisements

उत्तर

Ozone is considered triatomic because it is composed of three atoms while phosphorous is composed of four elements therefore it considered as tetratomic molecule.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Atomic Structure - Exercise

संबंधित प्रश्‍न

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

K2SO4


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

CaCl2


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


State the term.

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


Define: Atomic number


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 ?


Molecular compounds are usually formed by the combination between :


An element A forms an oxide A2O5.

What is the valency of element A ?


An element X forms the following compounds with hydrogen, carbon and oxygen :

H2X, CX2, XO2, XO3

State the three valencies of element X which are illustrated by these compounds.


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 a reason why –

Helium is considered monoatomic, but hydrogen a diatomic molecule.


State the atomicity of the following:

Oxygen


State the atomicity of the following:

Sulphur


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.  

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


The Atomicity of phosphorous is ______


Give any two examples for heterodiatomic molecules.


Derive the relationship between Relative molecular mass and Vapour density.


Write any two classifications of a molecule.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×