Question

B. Define the terms:
i. Isotones ii. Isoelectronic species
iii. Electronic configuration​

Answer 1

Answer:

your answer is here!!

Explanation:

I) Isotones are atoms that have the same neutron number but different proton number. For example, S, Cl, Ar, K, and Ca are all isotones of 20 since they all contain 20 neutrons.

II)Atoms and ions that have the same electron configuration are said to be isoelectronic.

III) The arrangement of electrons in an atom is called electronic configuration.