Playing Sports, Staying Healthy. Organized athletics are woven into the fabric of the American tradition. Millions of boys and girls participate in baseball, basketball, track and field, and other sports as part of club and/or school teams. In addition to its established health benefits, sports participation has been lauded for fostering such basic values as fair play, competitiveness and achievement.
The periodic table contains seven rows of elements. The lanthanide series belongs to row six as elements 57-71.
Periodic Table Review. 1  The vertical columns on the periodic table are called groups/families. 2  The horizontal rows on the periodic table are called periods. 3  Most of the elements in the periodic table are classified as metals. 4  The elements that touch the zigzag line are classified as metalloids.