Which of the following would you expect to form a molecular compound? Hydrogen and sulfur
ble
Sodium and bromine
Potassium and nitrogen
sa
Iron and oxygen
nd

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Find the mass, in grams, of 5.00*10^23 molecules of f2

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration