Unit Activity: The Periodic Table city excellent 7 of 9 [ Save & Exit Melting Point: -1.2-C Melting Point 1083 0 Melting Point: 290 Part A Now, using your Periodic Table tool C as a reference, type the symbols for the known elements into their appropriate groups and periods in the modified table below. Note that we're using the International group numbers (1-18), followed by the American scheme for the A-group elements in parentheses. B IU X X2 10pt Group: 1 (1A) 2 (2A) 14 (4A) 17 (7A) 18 (18A) Period 1 Period 2 Period 3 Period 4 Period 5 Period 6 Space used (includes formatting): 1086 / 15000 Part B Now, Inspect the properties of the unknown elements, compare them to the properties of your known elements, and see where the unknown elements best fit in the table above. Once you're done, use your periodic table tool to identify each unknown element below. ALEESEBEDVB BIUXX2 15 px DELL