Acertain compound is made up of one phosphorus (p) atóm, three chlorine (ci) atoms and one oxygen (o) atom what is the chemical formula of this compound ?

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.