Spring Lake Township is a civil township of Ottawa County in the U.S. state of Michigan. The population was 13,140 at the 2000 census. The village of Spring Lake is located within the township. The city of Ferrysburg is south of the township bordering Lake Michigan, the Grand River and Spring Lake. On the south side of the Grand River is the city of Grand Haven and Grand Haven Charter Township. Crockery Township is to the east and Muskegon County is to the north. It was established in 1855.
The atomic number of an element is the same as the number of electrons or protons in that particular atom. In the periodic table the elements are arranged into periods and groups. A row of elements across the table is called a period. Each period has a number: from 1 to 7. Period 1 has only 2 elements in it: hydrogen and helium. Period 2 and Period 3 both have 8 elements.
The periodic table contains an enormous amount of important information: Atomic number: The number of protons in an atom is referred to as the atomic number of that element. The number of protons defines what element it is and also determines the chemical behavior of the element.