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प्रश्न
Give the following a suitable word/phrase.
The smallest unit of an element which takes part in a chemical reaction.
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उत्तर
Atom
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संबंधित प्रश्न
Fill in the blank
The outermost shell of an atom is known as............................
Give the following a suitable word/phrase
Arrangement of electrons in the shells of an atom.
Multiple Choice Questions
number of valence electrons present in magnesium is
ANSWER IN DETAIL
Write a note on valence shell.
Which of the following statement is always correct?
Name the three fundamental particles of an atom.
Define the term Nucleons.
Define the term Valence shell.
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:
An element ‘X’ has six electrons in its outer or valence shell. Its valency is __________.
