Across
- 4. - Atoms of the same element with different mass numbers.
- 5. - Common in computer chips.
- 6. - Molecule or ion that binds to a central metal.
- 7. - SO4^2- ion.
- 12. - Gain of electrons.
- 13. - Found in cola drinks.
- 18. - Positively charged ion.
- 19. - Loss of electrons.
- 20. - Arrangement of elements by atomic number.
- 21. - NO3- ion.
- 23. - NH4+ ion.
- 24. - Group of elements in the middle of the periodic table.
- 26. - Element used in borax and detergents.
- 27. - Group 1 elements, such as sodium and potassium.
- 28. - Element with good conductivity and luster.
Down
- 1. - Strong inorganic acid.
- 2. - Solid formed in a chemical reaction.
- 3. - CO3^2- ion.
- 7. - Highly corrosive inorganic acid.
- 8. - Element with properties of both metals and nonmetals.
- 9. - OH- ion.
- 10. - Substance composed of different elements.
- 11. - Element without metallic properties.
- 14. - Complex of a central metal ion and surrounding ligands.
- 15. - Group 17 elements, including chlorine and fluorine.
- 16. - Negatively charged ion.
- 17. - Complex formed by multiple ligands.
- 22. - Charged atom or molecule.
- 25. - Group 18 elements, like helium and neon.
- 29. - Substance composed of one type of atom.