Matter that is made up of only one kind of Atom

Element

Explanation:

This is the answer because:

1) All matter is made up of substances called elements.

2) Matter that iis made up of only one kind of Atom is called an Element.

Hope this helps! :D

the electron configuration that you gave me has 16 electrons ergo it has 16 protons ergo it is the element sulfur.

frequency, z, and the collision density, z, in carbon dioxide (co2), r 180 pm at 30 °c and 120 kpa