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प्रश्न
Multiple Choice Questions
number of valence electrons present in magnesium is
पर्याय
two
three
four
five
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उत्तर
two
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संबंधित प्रश्न
Give the following a suitable word/phrase.
Protons and neutrons present in the nucleus.
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
Name three fundamental particles of the atom. Give the symbol with charge, on each particle.
What are the observations of the experiment done by Rutherford in order to determine the structure of an atom?
Explain the rule with example according to which electrons are filled in various energy levels
FILL IN THE BLANK
In an atom, the last shell containing electrons is called its..................shell.
WRITE SHORT ANSWER
What is an atom?
ANSWER IN DETAIL
Write a note on valence shell.
State how electrons are distributed in an atom. Explain in brief the rules which govern their distribution.
What is meant by the term subatomic particles?
