Across
- 3. row of elements from the far left side of table (1-7)
- 6. number of protons and electrons in a element
- 7. substance that is changed or reacted against the reaction
- 9. smallest particle in a chemical property
- 11. substance that is manufactured for sale
- 12. carries neutral charge
- 13. can be changed into another form of the three states of matter
- 15. column of elements from top left of the periodic table(1-18)
- 20. absorbed energy to cool things down
- 22. carries negative charge
- 23. smallest part of atom
- 24. elements that are not metals (gases/etc)
- 25. center of an atom
Down
- 1. released energy to form into heat
- 2. electron outer most orbital
- 3. thin coat of another substance to put on something (pennies lab)
- 4. 1st person to create the Periodic Table Of Elements
- 5. mass of a molecule from atom/element
- 8. set of protons/electrons
- 10. carries positive charge
- 14. far right of table, not reactive
- 16. has unique conducting properties mostly in computers
- 17. two or more different elements combined
- 18. two or one letter(s) defying the element
- 19. substance made naturally or by mankind
- 21. Most elements are this