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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता १०

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:

K2SO4


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


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

CaCO3


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

Baking powder


 Define: Atomic 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

In what form does oxygen gas occur in nature ?


What do the following denote ?

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

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 :


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.


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 a reason why –

Helium is considered monoatomic, but hydrogen a diatomic molecule.


State the atomicity of the following:

Neon


State the atomicity of the following:

Oxygen


State the atomicity of the following:

Chlorine


State the atomicity of the following:

Argon


State the atomicity of the following:

Sulphur


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.  

Which of the following is a triatomic molecule?


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