Advertisements
Advertisements
प्रश्न
Give the following a suitable word/phrase.
The sum of the number of protons and neutrons of an atom.
Advertisements
उत्तर
Mass number
APPEARS IN
संबंधित प्रश्न
Give the following a suitable word/phrase
The sub-atomic particle with negative charge and negligible mass.
Multiple Choice Questions
number of valence electrons present in magnesium is
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
FILL IN THE BLANK
The γ-rays are............................ radiations, like light.
TRUE \ FALSE
Electrons are present in the nucleus.
ANSWER IN DETAIL
Write a note on valence shell.
Name the negatively charged particle present in the atoms of all the elements.
The particle not present in an ordinary hydrogen atom is :
Explain in brief – Goldstein’s experiment which led to the discovery of the proton.
Select the correct answer from the choice in the bracket to complete the sentence:
A ________ is a sub-atomic particle with no charge and unit mass.
