clouds

Alkali Metal Burn

Elements that are poor conductors of heat and electric current

A change that occurs when one or more substances change into entirely new substances with different properties

A 1-3 set of letters used to represent an element, the first letter is always capitalized and all subsequent letters are lowercase

The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

A chart that organizes elements based upon electron arrangements and their properties

A region around the nucleus of an atom where electrons are likely to be found