Using the Periodic Table, Identify the Element with the Following

Q90: How many valence electrons does an atom

Q93: Identify the states of the halogens at

Q94: Use the periodic table to determine the

Q95: What is the effective nuclear charge experienced

Q98: Identify the number of valence electrons for

Q99: Place the following ions in order of

Q100: What was the predicted formula for the

Q101: Use the periodic table to determine the

Q117: Which reaction below represents the second ionization

Q121: Place the following in order of increasing