Question

Which one of the following is isoelectronic
species?

Fe+3, Co+3

Fe+3, Mn+2

Co+3 ,Crt3

Sc+3 , Ti+3​

Answer 1

Answer:

those having the same number of electrons? Na+, K+, Mg2+, Ca2+, S2–, Ar. Isoelectronic species = they are the species belonging to different atoms or ions which have same number of electrons but different magnitude of nuclear charge.

Answer 2

Explanation:

When thyroid hormone levels are low (hypothyroidism), your body doesn't break down and remove LDL cholesterol as efficiently as usual. LDL cholesterol can then build up in your blood. Thyroid hormone levels don't have to be very low to increase cholesterol.