On number 2 if the atom has 3 protons,4 neutrons and 3 electrons what is the charge of the atoms nucleus?

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.*

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?