Across
- 3. Shiny, conductive elements on the left of the table
- 6. Dull, brittle elements to the right of the staircase
- 9. Positively charged particle in the nucleus
- 11. Atom with same protons but different neutrons
- 12. Overall structure or connection between atoms
- 14. Outermost electrons involved in bonding
- 15. Type of chemical reaction where smaller parts build a compound
- 17. Horizontal row on the periodic table
- 19. How likely an atom is to undergo chemical change
Down
- 1. Equation with equal atoms on both sides
- 2. Type of reaction where a compound breaks into smaller parts
- 4. Shared electron pair forms this type of bond
- 5. Electrically neutral subatomic particle
- 7. Bond formed by transferring electrons
- 8. Two or more atoms chemically joined
- 10. Term for numbers of protons in an element
- 13. Center of the atom
- 16. Vertical column on the periodic table
- 18. Negatively charged particle outside the nucleus