Across
- 2. ___ series: a series of metals ordered by their reactivity, from highest to lowest
- 4. ___ state: the lowest energy level of an atom
- 6. reaction where a more reactive metal removes a less reactive metal from its compound
- 8. a substance formed naturally in the ground and from which metal can be obtained
- 10. a horizontal row in the periodic table
- 11. a vertical column in the periodic table
- 12. the group 1 metals, which form an
- 13. a charged version of an atom, formed from the loss or gain of electrons
- 14. a strong bond between an anion and a cation, formed via electron donation
- 15. a negatively charged ion formed from the gain of electrons
- 19. houses the electrons that orbit the nucleus of an atom
- 21. the electrons in the outer shell of an element
- 23. elements in the periodic table that are situated close to the border between metals and non-metals; metalloids share properties and appearance characteristics with both metals and non-metals
- 24. the group 17 elements (e.g. chlorine and iodine)
Down
- 1. a positively charged ion formed from the loss of electrons
- 3. the arrangement of an atom's electrons in the shells around the nucleus
- 5. the block of metals in the periodic table containing the elements in groups 3 to 12 and in periods 4 to 7
- 7. the attraction between oppositely charged particles
- 9. group 18 elements (e.g. neon and krypton)
- 16. the rule that states atoms tend to lose, gain or share valence electrons to achieve eight electrons in their outer shell
- 17. a substance made up of only one type of atom
- 18. a strong bond almost always between two non-metals that share electrons, forming a molecule
- 20. the smallest subatomic particle in an atom arranged around the nucleus in shells
- 22. ___ earth metals: the group 2 metals, which form an alkaline solution when they react with water
