Explain the change in mass that occurs when the following substances are separately heated in open crucibles
(a) Copper metal
(b) Copper (II) nitrate

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

Matches the chemical name of each oxide of phosphorus to its chemical formula

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?