Prominent copper sulfide minerals include Cu2S (chalcocite) and CuS (covellite).
Answer:
molecular so number 3. ...
13
Al
Aluminum
Atomic mass 26.982
B) Seawater. Because, it all has the same consistency. With the other choices, like vegetable soup, in one spoon full you may get a bit of potato but in another spoon full you may get a lima bean.
