Across
- 4. refers to the closeness of a set of measurements of the same quantity made in the same way
- 8. a pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom
- 9. an element that is a poor conductor of heat and electricity
- 10. horizontal row of the periodic table
Down
- 1. a mixture that is non uniform in composition
- 2. vertical column of the periodic table. also called a family
- 3. blend of 2 or more kinds of matter, each which retains its own identity and properties
- 5. a substance that can be broken down into simple stable substances and is made from the atoms of 2 or more elements that are chemically bonded
- 6. anything that has mass and takes up space
- 7. an element that is a good electrical conductor and a good heat conductor