What type of charge is carried by the oxygen atom of a water molecule? a charge of 1– a charge of 2+ a partial negative charge a partial positive charge?

219 grams of iron (iii) oxide reacts with excess carbon according to the reaction equation shown below. fe2o3 + c → fe + co2 after a scientist performs the chemical reaction they find the actual yield of iron to be 57.4 grams. calculate the percent yield of this chemical reaction.

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

How many neutrons does a atom of cobalt have?