NEET levelSingle correct optionDifficulty 1 of 3pt037
A diagonal relationship is observed between
ALi and Mg
BLi and Na
CBe and Mg
DB and Al
Answer: A
Diagonal relationship holds between an element and the one below and to the right of it in the next group: Li-Mg, Be-Al and B-Si. Li-Na, Be-Mg and B-Al are vertical neighbours in the same group.