The Black Death was an outbreak of bubonic plague that lasted from about 1347 to 1352. The first cures of bubonic plague did not happen until effective antibiotics were develo â¦ ped in the 20th century. Throw sweet smelling herbs onto the fire to clean the air. 2  Carry pockets of sweet-smelling herbs. 3  Plague-proofing homes by putting glazes over southern windows to block the polluted southern wind. 4  Sit in a sewer so the bad air of the plague is driven off by the even worse one of the sewer.
Chemical element. A chemical element or element is a species of atoms having the same number of protons in their atomic nuclei (i.e. the same atomic number, or Z). There are 118 elements that have been identified, of which the first 94 occur naturally on Earth with the remaining 24 being synthetic elements.
There are about 118 elements given in the periodic table according to their atomic number. An element is a chemical substance which consists of only a single type of atoms, hence they are pure. For example, the smallest element is the hydrogen, and silver, gold, platinum are some of the commonly known precious elements. Each element has an atomic mass, atomic number, symbol, electronic configuration, etc.