Explanation:
A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms
(2) three fewer valence electrons is your answer.
I think it’s B 5.54 x 10^2g
Find the density of the plastic. if the density is less than that of water, it's going to float. If it's more than the density of water, then it's going to sink.
Pure substances are substances which are homogenous in nature. They either consists of atoms of 1 kind or molecules of 1 kind. Atoms are seen in elements, where as molecules are seen in compounds like Acids, Bases, etc.
They mostly have fixed properties like boiling and melting points and are uniform in nature. :D
