Answer questions #1-5 below 1. 2. 3. 4. 5. What element is shown in the diagram?_____________ How many valence electrons does it have?________ What is the atomic mass of this element?__________ What family does it belong to? _______________________ Can any more electrons be added to the 1st or 2nd energy level? Explain. _________________________ _________________________ 10 P 10 N 1