This magmatic rock consists of volcanic glass (SiO₂,MgO,Fe₃O₄). It is the homogeneous volcanic glass with small water content. Therefore obsidian is very brilliant. In the ancient time made mirrors of it.
Explanation:
the answer is C- H2O (water)
Answer:
magnesium atom
The most common and stable type of magnesium atom found in nature has 12 protons, 12 neutrons, and 12 electrons
Answer: Now it is proved that the atom consists of particles like electrons, protons, and neutrons.
Explanation: because he did not have the tech we do to understand atoms
