Question

Which of the following contains greatest number
of oxygen atoms?
(1) 1 g of o
(2) 1 g of O,
(3) 1 g of Oz
(4) all have the same number of atoms​

Answer 1

Uhhh.... 3) 1g of Oz

I'm not exactly sure.... but I think so...

Answer 2

Answer:

all have the same no. of atoms