In a phase diagram, the point at which the solid, liquid, and gas coexist simultaneously is called the TRIPLE POINT. There is a specified pressure and temperature at which the substance can exist in equilibrium with these three phases being present.
Answer:
they got protons, electrons, and neutrons
Explanation:
Atomic number is same as the protons ...
Soo... the atomic number would be 18
In a crystal of calcium chloride the chlorine atoms is two times more than calcium atoms.
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