Unformatted text preview: that this condition makes these atoms chemically reactive—they tend to react with other atoms, filling their highest occupied energy levels. 3. All the atoms of a particular element have the same number of protons, known as the element’s atomic number. This, a helium atom, with two protons, has an atomic number of two....
View Full Document
This note was uploaded on 09/21/2011 for the course BIOG 1110 taught by Professor Randywayne during the Spring '09 term at Cornell.
- Spring '09