A. trivalent atoms
B. tetravalent atoms
C. pentavalent atoms
D. hexavalent atoms

Correct Answer:

Option A – trivalent atoms

SEE ALSO  A body weighing 14N in air is partially immersed in water. If the mass of water displaced in the process is 200g, calculate the upthrust on the body. [g=10m/s2]

Copyright warnings! Do not copy.