Across
- 3. Group 18 (the last column of the periodic table) are called the _____ gases
- 4. The energy "cost" for an element to react is called the _________ energy
- 7. A layer of electrons
- 8. The letter names for each type of orbital, in increasing order of size
- 9. Two or more molecules with the same formula but different structures
- 10. You can usually tell what _____ __ ______ an element is at room temperature by looking at the color of the letters on the periodic table (three words, no spaces)
Down
- 1. Group 1 (the first column of the periodic table) are called the ______ metals
- 2. The (average) number of Atomic Mass Units (amu) in an element (two words, no spaces)
- 5. The principle that states we can't know the exact position and momentum of an electron is called the ________ Uncertainty Principle
- 6. The number of grams in each mole of a substance (two words, no spaces)