It is not equal because it dose not obey the conservation of mass. 60+25= 85 not 75.
I think it's Chlorine but, not 100% sure. so C.
Compounds are elements and its a pure substance with a gised composition.
Mixtures two or more subtances mixed to together.There are 2 type of mixtures.
Homegenous Mixtures (Solutions)-Two or more substances mixed but is uniform, you cant see the different mixtures.
Ex:Sugar mixed with water.The sugar dissolves and becomes one with the water.
Heterogeneous Mixtures-Two or more substances mixed but is not uniformed.You can see all the substances put into the mixture.
Ex:A salad, you can see whats all mixed in the sald and can pick it apart.
You need to have more information, please list the
"following".
Thanks
The answer is c.) Rutherford model
