Periodic Table Crossword

Palavras horizontais

1. Element with atoms that have 7 neutrons (8)
3. A subatomic particle that has no charge (7)
5. A subatomic particle that is positively charged (6)
7. Stainless ________ is made from iron, chromium and carbo (5)
9. Element with the symbol K (9)
11. 20th element on the periodic table (7)
13. A liquid made of 2 Hydrogen atoms and 1 Oxygen atom (5)
15. A metal that is liquid at room temperature (7)

Palavras verticais

2. A substance with atoms that all have the same number of protons in their nucleus (7)
4. A subatomic particle that is negatively charged (8)
6. Atoms with the same number of protons but different numbers of neutrons (7)
8. 9th element on the periodic table (8)
10. A light metal used to make planes (9)
12. A mixture of metals (5)
14. Element with atoms with no neutrons (8)