Across
- 2. How many atoms are there in total in a molecule of sulfur trioxide?
- 3. An element in group 2.
- 5. Has the atomic number of 1
- 9. Has two hydrogen atoms and one oxygen atom.
- 10. This is the smallest particle.
- 11. Two or more different substances which are chemically combined.
- 12. Towards what side of the periodic table are metals found?
- 13. Name of the process of removing salt from salty water.
- 15. A general property of a metal.
Down
- 1. A general property of a non-metal.
- 4. The name of the element Mg
- 5. Approximately how many elements are there?
- 6. how many different atoms are there in a compound?
- 7. The solid remaining on the paper in filtration.
- 8. oxide What is produced when magnesium burns in air?
- 14. Doesn’t have a definite formula.
