triple point at 153°C: rhombic monoclinic liquid gas this is not a triple point 000 (c) What phase is stable at room temperature and 1.0 atm pressure? Orhombic monoclinic Ⓒliquid gas (d) Can monoclinic sulfur exist in equilibrium with sulfur vapor? ○ Yes O No (e) What are the normal melting point and normal boiling point of sulfur? normal melting point °℃ °℃ normal boiling point (f) Which is the denser solid phase, monoclinic or rhombic sulfur? O monoclinic sulfur Orhombic sulfur

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States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.