Review+2+Atomic+Structure

Name Date: STEM Middle Academy – 8th Grade Science – Mr. Condon Block **Review 2 for Quiz on Atomic Structure**
 * 1) Complete the following table:
 * Mn || || || || ||
 * || Calcium  || || || ||
 * || || 44  || || ||
 * || || || 131.3  || ||
 * || || || || 3p4  ||
 * 1) The atomic number tells us two things, they are  and
 * 2) What is an isotope and how does it affect the atomic mass of an element?
 * 3) Write the electron configuration for the following:
 * 4) Lithium
 * 5) Phosphorus
 * 6) Neon
 * 7) Bromine
 * 8) Vanadium
 * 9) Silver


 * 1) When writing the shorthand electron configuration which group of elements do we use?   Why?
 * 2) Which group of electrons is most important to an element’s reactivity?
 * 3) Which element’s electron configuration starts differently than all other elements?
 * 4) Explain in your own words how the Periodic Table explains the importance of electrons to understanding the chemistry of elements.
 * 5) Divide the back of the paper into 4 sections. Diagram the nucleus and electron shells of these four elements: Boron, Sulfur, Sodium, and Cobalt