Across
- 1. positively charged particles inside an atom
- 8. negatively charged particles in an atom.
- 11. along the zig zag line
- 13. a mixture that is evenly mixed throughout
- 14. Elements are arranged on a chart called the ________ table.
- 16. elements and compounds are pure ____________.
- 19. a substance made of two or more different atoms chemically joined
- 21. protons and neutrons are found here
- 22. elements in the same column up and down on the periodic table are in the same ______
- 23. elements in the same group have similar properties and are sometimes referred to as a _______
- 25. the protons and the neutrons in the nucleus make up the atomic ______
Down
- 2. to the right of the zig zag line
- 3. most elements are _______.
- 4. the periodic table is arranged by _______________
- 5. a mixture that is not evenly mixed
- 6. one substance is dissolved in another
- 7. elements in the same row across the periodic table are in the same _________.
- 9. a substance that contains a variety of elements and compounds that are not chemically combined
- 10. a compound that has a pH above 7
- 12. particles will settle out if not shaken or stirred
- 15. particles inside an atom that have no charge
- 17. a substance made of only one kind of atom
- 18. a compound that has a pH below 7
- 20. a compound that has a pH of 7
- 24. the smallest particle of an element that still has the properties of the element