Which is the lightest and most abundant chemical element, constituting roughly 75 % of the Universe’s elemental mass?

Practice MCQ for SSC, UPSC, RRB Exams

A. Carbon A.
B. Aluminium B.
C. Bauxite C.
D. Hydrogen D.

Correct Answer: D সঠিক উত্তর: D

Explanation ব্যাখ্যা

The lightest and most abundant chemical element in the Universe is hydrogen. It constitutes about 75% of the elemental mass in the Universe. Hydrogen is also the first element in the periodic table, with the atomic number 1. It is a highly reactive element, and it can form a wide variety of compounds with other elements.

Related Questions সম্পর্কিত প্রশ্ন

Our App:
Follow us on:
Facebook Link Youtube Link

Employee Login
Institution Admin Panel
Terms and Conditions
Privacy Policy
Account Deletion Policy

© All right Reversed.Xcelerate