English

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

Advertisements
Advertisements

Question

Select the correct answer to the statement given below:

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

Options

  • Molecule

  • Orbits

  • Atom

  • Valency

  • Radical

MCQ
Advertisements

Solution

Orbit

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Atomic Structure - Objective Type Questions

APPEARS IN

Viraf J. Dalal Simplified Middle School Chemistry [English] Class 7 ICSE
Chapter 4 Atomic Structure
Objective Type Questions | Q 2.4

RELATED QUESTIONS

Fill in the blank

An ion with positive charge is called ______


Fill in the blank

An ion with negative charge is called _______


Define: Relative atomic mass


Who originated the word ‘atom’ ?


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

What is the mass number of X?


How is the size of an atom indicated ?


What value has been given to the mass of this reference atom ?


Is it possible to see atoms these days ? Explain your answer.


Calculate the number of moles in 12.044 × 1025 atoms of phosphorus.


Which has more atoms, 50 g of aluminium or 50 g of iron ? Illustrate your answer with the help of calculations.

(Atomic masses : Al = 27 u ; Fe = 25 u)


Give scientific reason.

All the mass of an atom is concentrated in the nucleus.


Compare: 

Chlorine atom and chloride ion, with respect to

Atomic structure
Electrical state


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

Which element will lose electron?


A radical take part – unsplit in a chemical reaction and retains its identity in reactions.
With reference to the radical –

  1. ammonium
  2. bisulphate
  3. carbonate

state the group of atoms present in each radical.


Assertion: An atom is electrically neutral.

Reason: Atoms have equal number of protons and electrons.


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


______ is the smallest particle of an element.


Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars. 


Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order

  1. Rutherford’s atomic model
  2. Thomson’s atomic model
  3. Bohr’s atomic model

What are the 3 most abundant atoms on the earth?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×