Chemistry
Name the following :
(a) The subatomic particle with negative charge and negligible mass.
(b) Protons and neutrons present in the nucleus.
(c) The electrons present in the outermost shell.
(d) Arrangement of electrons in the shells of an atom.
(e) The number of protons present in the nucleus of an atom.
(f) The sum of the number of protons and neutrons of an atom.
(g) Atoms of same element with same atomic number but a different mass number.
(h) The smallest unit of an element which takes part in a chemical reaction.
(i) The particle which is not present in an atom of hydrogen.
Atomic Structure
56 Likes
Answer
(a) Electron
(b) Nucleons
(c) Valence electrons
(d) Electronic configuration
(e) Atomic number
(f) Mass number
(g) Isotopes
(h) Atom
(i) Neutron
Answered By
33 Likes
Related Questions
Write True or False for the following statements:
(a) An atom on the whole has a positive charge.
(b) The maximum number of electrons in the first shell can be 8.
(c) The central part of an atom is called nucleus.
(d) The cathode rays in the discharge tube consist of protons.
(e) The neutrons are neutral and have a mass equal to 1 amu.
Match the following :
Column A Column B (a) John Dalton (i) Electronic configuration (b) J.J. Thomson (ii) Discovery of nucleus (c) Maharishi Kannada (iii) Atomic theory (d) James Chadwick (iv) Plum-pudding atomic model (e) Ernest Rutherford (v) Paramanus (j) Neil Bohr (vi) Neutrons Define the following terms:
(a) Atomic number
(b) Mass number
(c) Nucleons
(d) Valence shell
Name three fundamental particles of an atom. Give their symbol with charge on each particle.