App Description
*** Featured in iTunes ***
A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in its nucleus. They are divided into metals and non-metals. Familiar examples of elements include carbon, oxygen (non-metals) together with aluminium, iron, copper, gold, mercury, and lead (metals).
App Changes
- June 08, 2014 Initial release
- July 11, 2016 Price decrease: $1.99 -> $0.99