Across
- 3. horizontal row of the periodic table
- 4. an element that is a poor conductor of heat and electricity
- 5. a pure substance that cannot be broken down into simpler,stable substances and is made of one type of atom
- 7. any substance with a definite composition
- 10. anything that has mass and takes up space
Down
- 1. the study of most carbon-containing compounds
- 2. smallest unit of an element that maintains its identity
- 6. an element that is a good electrical conductor and a good heat conductor
- 8. blend of two or more kinds of matter,each which retains its own identity and properties
- 9. vertical column of the periodic table