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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.
उत्तर
An atom has equal number of electrons and protons.
Explanation -
An atom has equal number of electrons and protons since it is neutral.
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संबंधित प्रश्न
All the gases from cathode rays and anode rays when electricity is passed through them :What does the formation of cathode rays tell us about the atoms?
What are cathode rays? How are these rays formed?
If an atom contains one electron and one proton, will it carry as a whole is neutral
Which sub-atomic particle was discovered by Chadwick.
Name the sub-atomic particle whose charge is -1.
What are inert elements?
The electronic configuration of nitrogen is (2, 5). How many electrons in the outer shell of a nitrogen atom are not involved in the formation of a nitrogen molecule?
What are the noble gases?
Helium has two electrons in the outermost orbit and so it is chemically inert.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
