In chemistry, the term "neutral charge" is used to refer to an atom or collection of atoms that contains neither a positive nor negative charge. To have a neutral charge, the atom must have an equal number of protons and... More »

Neutral substances are chemicals that have no properties of either acids or bases, have equal parts hydrogen and hydronium ions and don't change the color of litmus paper or other acid-base indicators. Neutral substances... More »

Neutral compounds are chemical mixtures that don't react with acid or base chemicals. Neutral compounds have no electrical charge, so they do not absorb ions from other chemicals. On a pH scale, a liquid that has a readi... More »

In chemistry, 6O2 is six molecules of O2, which equals 12 atoms of oxygen. The "O2" is a molecule of oxygen gas, while the "6" indicates that there are six such molecules. More »

In chemistry, "CN" refers to a carbon atom attached to a nitrogen atom with a triple bond to produce a cyanide ion. Although many compounds containing cyanide are extremely deadly and exist in the form of a colorless gas... More »

An electron withdrawing group in organic chemistry is an individual atom or functional group that withdraws electron density from a conjugated system. Electron withdrawing groups attach to conjugated aromatic compounds a... More »

Although the early Greek philosopher Democritus hypothesized the existence of atoms, it was not until the late 1800s that English physician J.J. Thomson proposed a model for the atom. J.J. Thomson discovered the atom bec... More »