Across
- 2. charge of the neutron
- 3. the independent variable is the item that ______
- 4. items ____ dense than one will float in water
- 5. bond between metal and nonmetal
- 7. bond where electrons are shared
- 15. substance made of two or more substances that are physically combined
- 16. elements to the right of the stairstep
- 20. mass number=protons + __________
- 23. elements on the stairstep
- 24. the simplest substance made of one type of atom
- 25. density=____/volume
- 26. items to the right of the arrow in a chemical equation
- 27. items with a pH from 7.1-14
- 29. unit for solid volume
- 30. unit for liquid volume
- 32. what a row is called on the periodic table
- 33. a description of an item (ex: paper is white and flammable)
- 34. items to the left of the arrow in a chemical equation
Down
- 1. elements to the left of the stairstep
- 3. a rusting car is a ______ change
- 6. atoms with a charge (either positive or negative)
- 7. substance made of two or more elements that are chemically combined
- 8. unit for mass
- 9. constants are items that stay the ____
- 10. which part of the atom determines the element
- 11. the fourth state of matter, which is a charged gas
- 12. charge of the proton
- 13. the fourth state of matter
- 14. part of the atom outside of the nucleus
- 17. atoms of the same element, but with a different number of neutrons
- 18. ____ electrons that are on the outside shell of an atom
- 19. charge of the electron
- 21. density of water (spell out number)
- 22. measure of the amount of matter in a given space
- 28. items with a pH from 0-6.9 are considered _____
- 31. what a column is called on the periodic table