A. Hydrogen B. Oxygen C. Carbon D. Helium
With respect to which element, the valency of elements corresponds to group number_____? Shahzad General Science Mcqs 146 Comments 37 Views Related Articles Carbon credits introduced in? February 28, 2024 The filament of an electric bulb is made of : March 31, 2023 Which Gas is used in the preparation of soft drinks? March 31, 2023 A. Hydrogen B. Oxygen C. Carbon D. Helium Share Facebook Twitter