State the location of electrons, protons and neutrons in an atom.

Academic Chemistry NCERT Class 9

Protons and neutrons are collectively present in the nucleus at the center while electrons revolve rapidly around the nucleus in fixed circular orbits.

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Updated on: 10-Oct-2022

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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 relationship between an atom containing 11 protons, 11 electrons and 11 neutrons, and another atom containing 11 protons, 11 electrons and 12 neutrons?
An atom Y contains 10 electrons and 10 neutrons, then what will be the no. of protons in atom Y?
The nucleons are(a) protons and electrons(b) neutrons and electrons(c) protons and neutrons (d) none of these.
Explain the discovery of electrons, protons, and neutrons.
Compare the properties of electrons, protons, and neutrons.
Name the scientist who discovered protons and neutrons in an atom.
Which of the following statement is correct about the atom of an element?(a) an atom can have only protons and neutrons but no electrons.(b) an atom can have only electrons and neutrons but no protons(c) an atom can have only electron and proton but no neutron(d) an atom must always have a proton, neutron and electron
Name the central part of an atom where protons and neutrons are held together.
An atom with 3 protons and 4 neutrons will have a valency of3714
The atomic number of sodium is 11 and its mass number is 23. It has(a) 11 neutrons and 12 protons (b) 12 protons and 11 electrons(c) 11 electrons and 12 neutrons (d) 12 electrons and 11 neutrons.
The nucleus of an atom has 5 protons and 6 neutrons. What would be the (a) atomic number, (b) mass number, (c) the number of electrons, and (d) the number of valence electrons, per atom of this element?
What are the mass number and the atomic number of an atom with 8 protons and 7 neutrons?
The atom of an element X contains 17 protons, 17 electrons, and 18 neutrons whereas the atom of an element Y contains 11 protons, 11 electrons, and 12 neutrons.(a) What type of ion will be formed by an atom of element X ? Write the symbol of the ion formed.(b) What will be the number of (i) protons (ii) electrons, and (iii) neutrons, in the ion formed from X?(c) What type of ion will be formed by an atom of element Y ? Write the symbol of the ion formed.(d) What will be the number of (i) protons (ii) electrons, and (iii) neutrons, in the ion formed from Y?(e) What is the atomic mass of (i) X, and (ii) Y?(f) What could the elements X and Y be?
Name the particle which has 18 electrons, 18 neutrons and 17 protons in it.

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