2. Atoms & Elements

________________________ are the least reactive family of elements.

Which group of elements has a stable number of electrons in their outer energy level?

Which one of the following would be a chemical property of a sample of neon gas?

Which of the following is accurate in describing the placement and classification of iodine?

Which of the following statements accurately describe all halogen elements? Mark all that apply.

Which group on the periodic table has elements with atoms that tend not to bond?