<span>1. Group 1 (Alkali Metals)Group 2 (Alkaline Earth Metals)Group 13 (Boron Group)Group 14 (Carbon Group)Group 15 (Nitrogen Group)Group 16 (Chalcogens)Group 17 (Halogens)<span>Group 18 (Noble Gases) 2.</span></span><span>The elements in each </span>group<span> have the same number of electrons in the outer orbital 3.</span><span>Group 2 </span>elements<span> share common characteristics. Each metal is naturally occurring and quite </span>reactive<span>. 4.</span><span>There are 18 numbered </span>groups<span> in the </span>periodic table<span> 5.</span><span>many characteristics are common throughout the group</span>
