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.
A period of elements in the periodic table all lie in the same row.] and the columns are called groups [Groups: The groups of elements in the periodic table are the elements which have the same number of electrons in their outer shells and so have similar chemical properties.