EASY
9th CBSE
IMPORTANT
Earn 100

With the help of below table, find out the mass number of oxygen and sulphur atom.

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Important Questions on Structure of the Atom

MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 4 - Structure of the Atom>Questions>Q 1
For the symbol H, D and T tabulate three subatomic particles found in each of them.
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 4 - Structure of the Atom>Questions>Q 2
Write the electronic configuration of any one pair of isotopes and isobars.
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 4 - Structure of the Atom>Exercises>Q 1
Compare the properties of electrons, protons and neutrons.
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 4 - Structure of the Atom>Exercises>Q 2
What are the limitations of J. J. Thomson's model of the atom?
MEDIUM
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 4 - Structure of the Atom>Exercises>Q 3
What are the limitations of Rutherford's model of the atom?
HARD
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 4 - Structure of the Atom>Exercises>Q 4
Describe Bohr's model of the atom.
HARD
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 4 - Structure of the Atom>Exercises>Q 5
Compare all the proposed models of an atom given in this chapter.
HARD
9th CBSE
IMPORTANT
SCIENCE TEXTBOOK FOR CLASS IX>Chapter 4 - Structure of the Atom>Exercises>Q 6
Summarize the rules for writing of distribution of electrons in various shells for the first eighteen elements.