Answer:
Umm i dont know but i think atomic nucleus
Explanation:
Answer:
Explanation:
The nitrates of Bi,Sn and Cd is ruled out because their sulfides are insoluble in acidic medium.
Nitrates of Ni or Co may be present because their sulfides are insoluble in basic medium. The presence of other nitrates are ruled out.
Answer: 1 mole of the substance is equal to its molar mass or vice versa.
Explanation: Example: 18 g H2O x 1 mole H2O / 18g H2O = 1 mole H2O
An element is made up of an atom, a molecule is a bunch of elements, and a comping is a bunch of molecules
The answer is b although if you think about it all could apply
