"Introduction to Patterns and Groups": HTML5 Crossword

Across

2. The type of ion formed by metals (6)
3. He, Ne, Ar, Xe, Rn, Og (3,5,5)
4. Li, Na, K, Rb, Cs, Fr (3,6,6)
6. Most nonmetals are gases due to this property (3,7,5)
7. F, Cl, Br, I, At, Ts (3,8)
8. A vertical column in the Periodic Table (5)
13. The Alkali Metals are in this group (5,1)
14. The Noble Gases are monoatomic. This means (4,5,2,6,5)
17. The property of metals that means they can be pulled into wires (7)
19. The order of the elements in the Periodic Table (6,6)

Down

1. Two important properties of metals (4,7,10,3,4,10,10)
5. Another name for atomic number (6,6)
9. The property of metals that means they can easily be moulded (9)
10. The type of element found on the right of the Periodic Table (8)
11. The reason the Noble Gases are unreactive (4,5,5)
12. The type of element found on the left and middle of the Periodic Table (5)
13. The Noble Gases are in this group (5,4)
15. The number of outer shell electrons in the Halogen (5)
16. A horizontal row in the Periodic Table (6)
18. The type of ion formed by nonmetals (5)