Question

#Define the terms:
i. Isotones
ii.Isoelectronic species
iii. Electronic configuration
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Answer 1

Explanation:

1. ISOTONES: Are those elements which have same number of neutrons.

Example:- C6N7O8 ( all have 8 electrons)

2. ISOELECTRONIC: the species containing same number of electrons.

Example:- O7-, F-, Mg2+,Al3+ (all have 10 electrons)

3. Electronic configuration : phenomenon ofDistribution of electrons in orbitals is called electronic configuration.