Chemistry Puzzle

3. The most common isotope of this element is 238
5. A base that produces few hydroxide ions when dissolved in water (2 words)
7. The smallest length, theoretically (2 words)
9. A solid solution of two or more metals
10. An acid that ionizes slightly in a solution (2 words)
11. This element is the most conductive metal, but comes at a price
12. The only two letters to not officially appear on the periodic table (Alphabetically)
14. This element is added to table salt for its health benefits
17. The lowest theoretical temperature (2 words)
20. This type of electromagnetic radiation is used for telecommunications around the world
21. The densest liquid element
22. The nuclear reaction that takes place in the sun’s core
23. Many electronic devices are made from this element
25. The maximum amount of solute that can be dissolved into a solvent at a given temperature

1. The nucleus of this element is released during alpha decay
2. All intermolecular bonds are caused by ___ ___ ___ forces (3 words)
4. The term used to describe a complete valence shell
6. The final part of the standard model to be discovered (2 words)
8. The theoretical boundary around a black hole past which no radiation can escape (2 words)
13. This type of spin is an angular momentum carried by electrons (2 words)
15. This metal is used in pipes and wires
16. The colour with the longest wavelength
18. This type of alcohol is commonly consumed
19. This subatomic particle is released during beta decay
24. A common name for Calcium Carbonate