Answer:
The formula mass of Na2S04 is 142.04 g/mol
Answer: 7366.328 kPa
explanation: the critical pressure of carbon dioxide is 72.7 atm.
Carbon- C
hydrogen - H
Nitrogen - N
Iron- Fe
Copper- Cu
The right answer is A. <span>Each oxygen shares two electrons with each other.
(I took the quiz)</span>
Molecular compounds consists of 2 or more non-metals.
Ionic compounds consists of a metal and a non-metal.
According to the periodic table, are N and I metals or non-metals?