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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Select the Correct Answer to the Statement Given Below: Imaginary Path Around the Nucleus of an Atom in Which Electrons Revolve.

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प्रश्न

Select the correct answer to the statement given below:

Imaginary path around the nucleus of an atom in which electrons revolve.

विकल्प

  • Molecule

  • Orbits

  • Atom

  • Valency

  • Radical

MCQ
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उत्तर

Orbit

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अध्याय 4: Atomic Structure - Objective Type Questions

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विराफ जे दलाल New Simplified Middle School Chemistry [English] Class 7
अध्याय 4 Atomic Structure
Objective Type Questions | Q 2.4

संबंधित प्रश्न

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What is radioactivity?


What does an atom consist of ? Explain.


 Give the charge and the mass of an electron, proton and neutron present in an atom ?


Name two particles found inside the nucleus. What are they collectively called ?


Write electronic configuration of oxygen, fluorine, sodium, silicon, argon.


A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.

Does the particle have an excess of electrons or a deficiency of electrons ?


A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.

What is the charge on the particle ?


Write the relation between nanometre and metre.


Give brief information of three subatomic particles with reference to electrical charge, mass and location.


Define the following term:

Atom


In what respects do the three isotopes of hydrogen differ? Give their structures.


Elements X and Y have 1 and 7 electrons in their outermost shell respectively.

What will be the charge present of the molecule XY after chemical combination?


Select the correct answer to the statement given below:

The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.


Draw the structure of an atom and explain the position of the sub-atomic particles.


Atoms of different elements having the same number of ______ are called isotones.


Atoms of one element can be transmuted into atoms of other elements by ______


Which of the following has maximum number of atoms?


You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?


Dalton’s atomic theory successfully explained

(i) Law of conservation of mass

(ii) Law of constant composition

(iii) Law of radioactivity

(iv) Law of multiple proportions


Atoms have a radius of the order ______.


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