Across
- 4. substances that are ductile, lustrous, and good conductors of electricity and heat
- 8. a transformation of elements or compounds
- 11. a table of the chemical elements arranged in order of atomic number
- 12. a substance that takes part in and undergoes change during a reaction
- 13. the determining factor of an element’s identity
- 17. the amount of space a fluid occupies
- 19. salt in a saltwater solution
- 21. ex: Fe, O, N, Au, Na, Cl
- 22. substances that are brittle, not lustrous, and poor conductors of electricity and heat.
- 23. mixtures with uniform distribution
- 27. ex: balsamic vinaigrette, trail mix, pizza, sand
- 28. a homogeneous mixture composed of two or more substances.
- 29. elements or compounds that exist prior to a chemical reaction
- 30. everything that has mass and takes up space
Down
- 1. the number of protons in the nucleus of an atom, which determines the chemical properties of an element
- 2. matter can’t be destroyed or created, they can only be changed
- 3. a substance that cannot be broken down by chemical means
- 5. rows on the periodic table of elements characterized by the same number of electron shells
- 6. water in a saltwater solution
- 7. the left side of the periodic table has this quality more than the right side groups 1 and 7 have this quality the most.
- 9. substances that are made of only one type of atom or only one type of molecule
- 10. the number of protons and neutrons in an atom
- 14. columns on the periodic table of elements characterized by the same number of valence electrons
- 15. a substance formed when two or more chemical elements are chemically bonded together.
- 16. the smallest particle of an atom
- 18. when elements are combined physically
- 20. substances that have the characteristics of both metals and nonmetals
- 24. how much matter something contains
- 25. a group of atoms that can be all the same
- 26. the smallest unit of matter