chemical element
element ****

The Earth's atmosphere is also made up of many chemical elements.

Plants make proteins from chemical elements in the soil and the air.

These different types of atoms are called chemical elements.

All chemical elements were formed from hydrogen by the processes of nuclear fusion.

Q. Are there other chemical elements that we've left out?

In 1859 these lines are linked to chemical elements in the Sun's atmosphere.

Also it is possible to refer to distinctive features the structure of sea water in which there are 92 chemical elements.

It is used in medicine to help speed up the body's elimination of certain metals or chemical elements.

It is chemical element 10 on the periodic table.

As of 2012, the periodic table contains 118 confirmed chemical elements.