What is the correct charge for Mn in the following compound: Mn3(PO4)4 1) +1
2) +3
3) +4
4) +7

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water