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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 electrons and protons.
Explanation -
An atom has equal number of electrons and protons since it is neutral.
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संबंधित प्रश्न
Name the subatomic particle whose relative charge is : –1
Fill in the blanks of the following statements :
An atom has atomic mass number 23 and atomic number 11. The atom has_________ electrons.
Cathode rays are a beam of fast moving _________
The maximum number of electrons that can be accommodated in L shell are_________
The maximum number of electrons that can go into the M shell is _________
What is an electron? State its relative mass and charge.
The subatomic particle called electron was discovered by :
An electron carries a ________ charge.
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 is the relation between the number of protons and the number of electrons in an atom?
_______ is a negatively charged particle.
The relative charge of an electron is – 1.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
