Atomic+Mass+and+Number

Name: Date: STEM Middle Academy – 8th Grade Science – Mr. Condon Block: Atomic Mass and Number
 * 1) H is the symbol for what element?
 * 2) What is the name of the element with 21 protons in its nucleus?
 * 3) What is the atomic mass of Sulfur?
 * 4) Sn is the symbol for what element?
 * 5) What is the atomic mass of Iron?
 * 6) What is the name of the element with 16 protons in its nucleus?
 * 7) Tc is the symbol for what element?
 * 8) What is the atomic mass of Lithium?
 * 9) What is the name of the element with 74 protons in its nucleus?
 * 10) Cd is the symbol for what element?
 * 11) What is the atomic mass of Lead?
 * 12) What is the name of the element with 45 protons in its nucleus?
 * 13) Zr is the symbol for what element?
 * 14) What is the name of the element with 4 protons in its nucleus?
 * 15) Which element has 7 protons, 7 neutrons and 7 electrons?

In the space below (or on the back) choose **4 elements** and draw a **diagram** of their nucleus. Challenge yourself. **Start with the element you are researching**. . . . . . Element Name: ......................................... ||. . . . . . .Element Name:........................................................ || . . . . .Element Name: ||. . . . . Element Name: ||