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प्रश्न
Give the following a suitable word/phrase.
Protons and neutrons present in the nucleus.
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उत्तर
Term for protons and neutrons present in nucleus is nucleons
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
Fill in the blank
Neutrons are .......................... particles having mass equal to that of protons.
Write true or false for the following statement
The maximum number of electrons in the first shell can be 8.
Explain the rule with example according to which electrons are filled in various energy levels
FILL IN THE BLANK
Gases become good conductors of electricity under ........ (low/high) pressure and .............. (low/high) voltage electrical discharge.
FILL IN THE BLANK
The electrons revolving in shells close to the nucleus are called ................... electrons.
WRITE SHORT ANSWER
What is an atom?
Name the negatively charged particle present in the atoms of all the elements.
Compare an electron and a proton in respect of mass and charge.
Draw a neat labelled diagram representing an atom. Name the three sub-atomic particles in the atom and represent them symbolically showing the mass and charge of each. State where the sub-atomic particles are present in the atom.
