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

Define: Atomicity.

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प्रश्न

Define: Atomicity.

एका वाक्यात उत्तर
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उत्तर

The number of atoms present in the molecule is called atomicity.

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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. 3. | 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:

CaCO3


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

Hydrogen bromide


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.


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.


The cation of an element has :


Molecular compounds are usually formed by the combination between :


An element A forms an oxide A2O5.

What is the valency of element A ?


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?


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.


Give a reason why –

Ozone is considered triatomic, but phosphorus a tetratomic molecule.


State the atomicity of the following:

Oxygen


State the atomicity of the following:

Chlorine


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.


Two elements sometimes can form more than one compound.


Give any two examples for heterodiatomic molecules.


Derive the relationship between Relative molecular mass and Vapour density.


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