Atomic theory and the periodic table
Across
- 3. The number on the Periodic Table that tells you the number of protons.
- 5. The name of the elements on the right hand side of the Periodic Table.
- 7. Subatomic particle found in the nucleus of an atom.
- 9. Two or more atoms chemically bonded together.
- 13. This family of elements are chemically inert.
- 14. The element with the symbol Fe.
- 15. What elements in the same column are called because they have similar chemical properties.
- 16. The element with the symbol K.
Down
- 1. The columns in the Periodic Table.
- 2. The rows in the Periodic Table.
- 4. The Periodic Table contains all the different types of atoms, which are called __________.
- 6. The mass number, also called the atomic weight is the average number of protons and __________.
- 8. The element with the atomic number 9.
- 10. A negatively charged subatomic particle.
- 11. The name of the elements on the left hand side of the Periodic Table.
- 12. Two or more atoms from different elements chemically bonded together.