Structure of Atom
Question 1. What are canal rays?
Answer: Canal rays are positively charged radiations which led to the discovery of positively charged sub-atomic particle called proton.
Question 2. If an atom contains one electron and one proton, will it carry any charge or not?
Answer: The atom will be electrically neutral as one - ve charge balances one + ve charge.
Ncert Textbook Page 49
Question 1. On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.
Answer: According to Thomson’s model of an atom
(i) An atom consists of a positively charged sphere and the electrons are embedded in it,
(ii) The negative and positive charges are equal in magnitude. So the atom is electrically neutral.
Question 2. On the basis of Rutherford’s model of an atom, which sub-atomic particle is present in the nucleus of an atom?
Answer: As per Rutherford’s model of an atom, the protons which are positively charged are present in the nucleus of an atom.
structure of atom class 9 notes pdf
structure of atom class 9 questions and and answers
notes of structure of atom of class 11th
structure of atom class 9 videos
structure of atom class 9 ppt
structure of atom class 9 important questions
structure of atom class 9 worksheet
structure of atom class 9 wikipedia
structure of atom class 9
atomic structure chemistry
what are atoms made of
atom examples
what is an atom in chemistry
atom definition chemistry
atoms definition