Across
- 2. When nothing is lost or gained; to remain constant
- 4. A neutral group of two or more atoms held together covalent bonds
- 7. A measure of the force of gravity acting on an object
- 8. A measure of how much matter is in an object
- 12. anything that has mass takes up space
- 13. A change that alters the form or appearance of a material but does not make the material into another substance.
- 14. The measurement of how much mass of a substance is contained in a given volume.
- 15. A substance that contains one kind of atom and cannot be broken down into a simpler form.
Down
- 1. A change in which one or more substances combine or break apart to form new substances
- 2. A characteristic of a substance that describes its ability to change into different substances.
- 3. The amount of space that matters occupies
- 5. A characteristic of a pure substance that can be observed without changing it into another substance.
- 6. A single kind of matter that is pure has a specific set of properties
- 9. The basic particle from which all elements are made; the smallest particle of an element that has the properties of that element.
- 10. A substance made of two or more elements chemically combined in a specific ratio or proportion.
- 11. Two or more substances that are together in the same place but their atoms are not chemically bonded.