Across
- 1. The up and down of a periodic table
- 4. gasses, Helium and Argon are apart of what family?
- 5. number, The number above the symbol
- 9. The horizontal rows of a periodic table
- 11. a substance that is not chemically reactive
- 12. earth metals, This family is highly metallic and are good conductors of electricity
- 15. Basic building block of matter
- 17. Synoym for shine
- 18. Gold and iron are classified as
- 20. Proteins and carbohydrates are
- 21. Group with most active non metals
- 23. Water and salt are both classified as
- 28. Whn you hammer something without breaking it means it is
- 29. bond, two hydrogen atoms bond covalently to form an H2 molecule
- 30. Inside the nucleus has no charge
Down
- 2. Inside the nucleus with a positive charge
- 3. the ability of a substance to interact chemically with a second substance
- 6. hydrogen is the most common
- 7. Elements on the step like line of the periodic table
- 8. atoms, An example of this is 6 protons with 6 neutrons and 6 electrons
- 10. Same protons and electrons but different neutrons
- 13. Metal wires are considered
- 14. A one or two letter abrrievation
- 16. cloud, The place where electrons are
- 19. mass, 15.99 is the ______ for Oxygen
- 22. metals, An important family in group 1A
- 24. It’s brittle and are poor electrical conductors
- 25. A particle that lost or gained a electron
- 26. electron, Travels on the outside of the nucleus of an atom
- 27. The place that has neutrons and protons