Adaptive Practice
Atomic Structure
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Question 1 of 10
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Easy
Who is known as the father of the atomic theory?
Easy
What is the charge of an electron?
Easy
Which subatomic particle was discovered by J.J. Thomson?
Easy
In an atom, where are protons and neutrons located?
Easy
The atomic number of an element represents the number of:
Medium
Which Indian scientist contributed to the understanding of atomic structure by studying cosmic rays?
Medium
What is the mass number of an atom?
Medium
If an atom has 11 protons, 12 neutrons, and 11 electrons, what is its atomic number and mass number respectively?
Hard
Which model of the atom introduced the concept of electrons revolving in fixed orbits?
Hard
Why are isotopes of an element chemically similar but differ in physical properties?