Words about the concepts in this module can be obtained from the clues given. Find these words in the block of letters:

1. Family of elements characterized by its vigorous reaction with water (2 words).

2. Negatively charged ion.

3. Positively charged ion.

4. Charge on an ion divided by its surface area (2 words).

5. Process by which compounds are decomposed electrically.

6. Family that is very reactive with alkali metals in which binary ionic compounds in a one-to-one ratio are formed.

7. Property of alkali metals that increases from Li⁺ to Fr⁺ (2 words).

8. Group of elements characterized by luster, malleability, ductility, and good electrical and heat conductivity.

9. Mineral deposit containing sufficiently high concentration to allow practical recovery of a metal.

10. Smallest part of a crystal that, if repeated, could generate the whole crystal (2 words).

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