Periodic Table
Across
- 10. Name of groups 3-12 (all one word)
- 13. Two atoms of the same element with different number of neutrons
- 14. Family name for group 1
- 15. Family with full outer cloud (all one word)
- 19. Widely recognized as designing the first periodic table
- 20. Smallest atom in the noble gases
- 21. The least reactive family
- 22. Family sometimes known as 'salt formers'
- 23. Number of electrons the p sublevel can hold
- 24. Good conductors of electricity, malleable and ductile
- 25. Formed when an atom gains two electrons
- 26. Common examples are boron, silicon and germanium
Down
- 1. A halogen with 18 neutrons
- 2. Neutral particle found in the nucleus
- 3. Arranged periodic table based on atomic number
- 4. Positively charged ion
- 5. Positively charged particle in the nucleus
- 6. Term for the outer electron cloud
- 7. Most massive element in the alkaline earth metals.
- 8. Term to describe horizontal rows on the periodic table
- 9. Another name for a column in the periodic table
- 10. Elements numbers 93 and above
- 11. An atom with a net charge
- 12. The most reactive family of metals
- 16. Name for second family (all one word)
- 17. Negatively charged ion
- 18. Also known as the oxygen family
- 19. Atomic symbol is Hg