Atoms: They’re the smallest object that create the properties of an element. Comprised of the subatomic particles: electrons, protons and neutrons. For which the Nucleus contains the Protons and Neutrons, while electrons orbit around the nucleus. The atom is a fundamental piece of matter. Atoms are the building blocks of matter and matter builds up the Universe. A Valence Electron is an electron, which is a subatomic particle of an atom. Valence electrons are located in the outermost shell of…
Calcium (Ca) belongs to the second group of the periodic table with Be, Mg, Sr, Ba and, Ra; which make it, an alkaline earth metal, a pretty reactive element when in contact with air and water. Calcium “ readily forms a white coating of calcium nitride (Ca3N2) in air at room temperature. It reacts with water and the metal burns in air with an orangered flame, forming largely the…