Across
- 3. what outer covering is typically metal
- 6. on pt this is called a group on which table
- 8. : this is in the center of an atom
- 9. this is a substance that can not be broken down into simpler substances
- 10. this is a reaction in which heat is absorbed
- 12. this is the smallest particle of a chemical element
- 13. Meatal this is not Malleable
- 16. this is a good conductor of electricity
- 17. this is where an electron is likely to be found
- 18. mass this is the average mass of atoms in an element
- 19. mendeleveve he created the periodic table
- 20. this is the result of joining two or more substances chemicals together
- 23. this is formed from a reaction
Down
- 1. this is abreveation for a element on the periodic table
- 2. electron this is a electron in the outer edge of an atom
- 4. on pt this is horizontal rows on which table
- 5. atomic particles carry no electric charge
- 7. this is part of a chemical reaction
- 9. atomic particles that move around the nucleus have negative electric charge
- 10. this is a reaction in which heat is realized
- 11. this has characteristics of a metal and non metal
- 14. gasses this is group on the periodic table
- 15. of conservation of mass which law states that mass is neither created nor destroyed during a chemical reaction
- 21. this is found in the nucleus of an atom
- 22. : this is the smallest part of an element