Answer:The elements in the first column of the Periodic Table (other than hydrogen) are known as Group 1A metals, or alkali metals. When you compare the chemical properties of these elements (lithium, sodium, potassium, rubidium, cesium, and francium), what you'll notice is that they are all remarkably similar.
Explanation:
Naturally occurring solid material from which a metal or valuable mineral can be extracted profitably.
Of... its isotopes multiplied by each of their respective abundances
The study of the elements and forms of matter.
