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प्रश्न
Which of the following statement is always correct?
पर्याय
an atom has equal number of electrons and protons
an atom has equal number of electrons and neutrons
an atom has equal number of protons and neutrons
an atom has equal number of electrons, protons and neutrons
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उत्तर
An atom has equal number of protons and electrons
An atom always has equal number of protons and electrons in order to maintain electrical neutrality.
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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.
Write true or false for the following statement
The central pad of the atom is called nucleus.
Multiple Choice Questions
The outermost shell of an atom is known as
Why is an atom neutral inspite of the presence of charged particles in it?
The particle not present in an ordinary hydrogen atom is :
State its one drawback of Rutherford’s atomic model.
If an atom ‘A’ has an atomic number of eleven, state the number of protons and electrons it contains.
Select the correct answer from the choice in the bracket to complete the sentence:
Magnesium atom with electronic configuration 2, 8, 2 achieves stable electronic configuration by losing two electrons, thereby achieving stable electronic configuration of the nearest noble gas _______.
