2. 1. What elements do the following symbols represent? 2. Na 3. K 4. Au 5. Ag 6. Hg 7. F

3. 1. Diamond is composed of which element? 2. Is hydrogen typically monoatomic or diatomic? 3. T/F Noble gases react easily with metals. 4. T/F Halogens are always found in their pure forms. 5. T/F Mendeleev’s periodic table had all the elements on it. 6. T/F Elements with three letter symbols are found in nature 7. T/F Transition metals are very rare. 8. T/F Phosphorus comes from latin for white.

4. 1. Group 17, starting with F and ending with At is the group known as the _____________ 2. T/F The halogens are all metals. 3. T/F Atomic radius generally decreases as you move left to right across a period. 4. The group of elements with the strongest electron affinity is the _______________. 5. Name 4 metals. 6. ___________ are usually hard, ductile, lustrous, and good conductors.

5. 1. Organic chemistry and biochemistry are based on the study of what element? 2. Whose work resulted in the revision of the periodic law, using atomic number as the organizing factor? 3. Name 4 pieces of information on a cell in the periodic table. 4. What large group of elements is adding electrons to the d sublevel? 5. To the f sublevel? 6. What element is referred to as brimstone in the Bible and is a brittle yellow solid?

6. 1. I am light, very flammable, and the most abundant element in the universe—who am I? 2. Mendeleev’s periodic table was arranged by what? 3. I comprise 21% of the earth’s atmosphere and all animal life depends on me (except for a few bacteria) who am I? 4. I created the electronegativity scale—who am I? 5. I arranged elements in triads—who am I?