Predict which compound in each of the following pairs shouldhave the higher melting and boiling points (Hint: Write the Lewis structure anddetermine whether the compound is ionic, polar covalent, or nonpolar covalent.):a. H2O and C2H4b. CO and CH4c. NH3and N2d. Cl2and ICl
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.
Predict which compound in each of the following pairs should
have the higher melting and boiling points (Hint: Write the Lewis structure and
determine whether the compound is ionic, polar covalent, or nonpolar covalent.):
a. H2O and C2H4
b. CO and CH4
c. NH3
and N2
d. Cl2
and ICl
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