Question

5. What do the following symbols stand for? (a) H (b) H (c) 2H (d) 212​

Answer 1

Answer:

H2 means two hydrogen atoms. O2 means two oxygen atoms.

.

.

2H2 means two molecules of hydrogen and four hydrogen atoms

Answer 2

Answer:

H2 means two hydrogen atoms. O2 means two oxygen atoms. ... 2H2 means two molecules of hydrogen and four hydrogen atoms