Across
- 3. shiny,malleable,ductile element that conducts electricity
- 6. amount of mass in a given volume of a substance
- 7. change of state from a solid to a liquid
- 8. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
- 11. description of a substance that can be pounded or rolled into sheets
- 13. ability of a substance to conduct electricity or heat
- 16. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
- 17. vertical columns of elements in the periodic table
- 19. neutral particle in the nucleus of an atom
- 20. change of state from a gas to a solid
- 21. vertical column of elements in the periodic table;also called a family
- 22. change of state from a liquid to a solid
Down
- 1. the smallest part of an element that is representative of that element
- 2. anything that has mass and occupies space
- 4. substance that helps a chemical reaction to proceed more quickly
- 5. group 17 in the periodic table;the most reactive non-metals
- 6. description of a solid that can be stretched into a long wire
- 9. atom that became electrically charged because it lost or gained electrons
- 10. change of state from a gas to a liquid
- 11. element that has both metallic and non-metallic properties
- 12. change of state from a liquid to a gas
- 14. chemical combination of two or more elements in a specific ratio
- 15. catalyst involved in chemical reactions in living things
- 16. slow chemical change that occurs when oxygen in the air reacts with a metal
- 18. pure substance that cannot be broken down into other substances;substance made up of only one type of atom