Name the scientists who described the arrangement of electrons in an atom.

Academic Chemistry NCERT Class 9

The scientist who described the arrangement of electrons in an atom was Neil Bohr.

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Updated on: 10-Oct-2022

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Name the scientist who discovered electrons.
Name the scientist who discovered protons and neutrons in an atom.
Name the shell of an atom which can accommodate a maximum of :(a) 2 electrons?(b) 18 electrons?
(a) What are valence electrons? Where are valence electrons situated in an atom?(b) What is the number of valence electrons in the atoms of an element having atomic number 13? Name the valence shell of this atom.
The anion of an element has :(a) more electrons than the normal atom(b) less electrons than the normal atom(c) more protons than the normal atom(d) same number of electrons as normal atom
State the location of electrons, protons and neutrons in an atom.
(a) Describe Bohr's model of the atom. How did Neils Bohr explain the stability of atom?(b) An element has an atomic number of 11 and its mass number is 23. What is the arrangement of electrons in the shells? State nuclear composition of an atom of the element.
Where are electrons placed in an atom?
(a) What is the nucleus of an atom and what is the nature of charge on it?(b) Name the scientist who discovered the nucleus of atom.
Name the scientists who gave the following laws in the early classification of elements:(a) Law of octaves (b) Law of triads
The cation of an element has :(a) the same number of electrons as its neutral atom(b) more electrons than a neutral atom(c) less protons than a neutral atom(d) less electrons than a neutral atom
(a) Write the electron arrangement in (i) a magnesium atom, and (ii) an oxygen atom.(b) How many electrons are there in the valence shell of (i) a magnesium atom, and (ii) an oxygen atom. (c) Show on a diagram the transfer of electrons between the atoms in the formation of MgO. (d) Name the solvent in which ionic compounds are generally soluble. (e) Why are aqueous solutions of ionic compounds able to conduct electricity?
Who coined the term atom?
Which of the following statement is always correct?(a) an atom has equal number of electrons and protons (b) an atom has equal number of electrons and neutrons (c) an atom has equal number of protons and neutrons (d) an atom has equal number of electrons, protons and neutrons
What is the maximum number of electrons which can be accommodated in the :(a) innermost shell of an atom?(b) outermost shell of an atom?

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