All copper atoms have atomic number 29: all their nuclei contain 29 protons. But they also contain uncharged particles called neutrons. ... The two different kinds of atom are called isotopes of copper. The neutron has a mass very similar to that of the proton, so the two isotopes differ in mass.
Saturn has the most extensive ring system in our solar system & most of the particles floating around in the ring are ice...
Answer=Saturn
The balanced equation is 2HgO --> 2Hg + O2
Answer:
C) quartz
Explanation:
Quartz is a common mineral. Also, quartz isn't a metallic substance. I'm hoping that this helps :)
