Across
- 1. A horizontal row in the Periodic Table.
- 3. The compound Magnesium sulfide is made up of Magnesium and ______________.
- 5. Made of elements that are joined together.
- 7. A pure substance made up of only one type of atom.
- 8. The element found in Group 2, Period 4.
- 11. This element has the symbol Mg.
- 13. Smallest unit that elements are made of.
Down
- 1. The nucleus consists of ____________ and neutrons.
- 2. Two or more substances ____________ to form new substances.
- 4. A vertical column in the Periodic Table.
- 6. Iron can be classified as a _____________.
- 9. Mass number of twenty seven and a atomic number of thirteen.
- 10. Formed when Hydrogen and Oxygen atoms combine.
- 12. The common name for Sodium Chloride.