According to various bullying studies, many teens and children act out violently on their peers through acts of bullying because they are abused at home. Other bullying statistics: 1  Over half, about 56 percent, of all students have witnesses a bullying crime take place while at school. 2  A reported 15 percent of all students who donât show up for school report it to being out of fear of being bullied while at school.
By Anne Marie Helmenstine, Ph.D. A compound is a chemical substance made up of two or more elements. Here is a list of examples of compounds made up of exactly two elements. 1  H 2 O-water. 2  NaCl-sodium chloride or table salt. 3  KCl-potassium chloride. 4  HCl-hydrochloric acid. 5  N 2 O-nitrous oxide. 6  AgI-silver iodide. 7  AlN-aluminum nitride.
The smallest kind of molecule is composed of only two other atoms. The atoms can be of the same kind or of different kinds. Molecules that are composed of two atoms of the same kind are also referred to as elements. All molecules that have only two atoms are called diatomic molecules.f the molecule contains more than one kind of atom, it is called heteroatomic. The presence of homoatomic molecules indicates that not all elements prefer to be in the state of individual atoms. There are elements that are molecular and composed of two, four, or even eight atoms.