A mixture of nitrogen, helium, and oxygen have a total pressure of 158 atm in a scuba tank. If the nitrogen exerts a partial pressure of 84 atm.
and the helium is at standard pressure, what is the partial pressure of the
oxygen in the tank?

The clouds are grey and ground is wet. a quantitative b qualitative

What term describes technology that operates on an atomic level

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent