| − | An '''element''' is a chemical compound defined by the number of [[protons]] in its [[nucleus]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> [[Hydrogen]] has only one proton whereas [[uranium]] has 92. Uranium is the largest of the stable elements occurring in nature. All of the elements are listed on the [[period chart]] with the heavier ones produced in a labratory. These elements make up all matter on the earth and quite possibly all matter outside of the earth as well. | + | An '''element''' is a material that is composed of only one type of [[atom]]. Each different element has a different Periodic Number, which is the number of [[protons]] in its [[nucleus]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref> [[Hydrogen]] has only one proton whereas [[uranium]] has 92. Uranium is the largest of the stable elements occurring in nature. All of the elements are listed on the [[Periodic Table]] with the heavier ones produced in a labratory. These elements (or [[compounds]] made from these elements) make up all matter on the earth and quite possibly all matter outside of the earth as well. |