Across
- 3. a substance slows or delays a chemical reaction
- 5. a force that holds the atoms together in a substance
- 8. a prosses where a substance changes into another substance
- 9. a substance that is made of matter and consists of a single element or can be made up of multiple elements
- 11. a substance that speeds up a chemical reaction or lowers the energy
- 15. a list of elements organized by the atomic number
- 16. a place where you are able to create science experiments and is equipped with necessary tools in case of emergency
- 17. the negative charge in an atom
- 19. Tiny particles that make up matter
- 20. relating to atoms or an atom
- 22. a substance that is made of one type of atom; Is listed on the on the periodic table
Down
- 1. a substance made of two or more elements that are different, and are joined together by chemical bonds
- 2. A state of matter that has its particles have a limited space move around and takes shape of the container that its in
- 4. A group of two or more atoms
- 5. the number that tells you how many molecules, atoms, or moles are in a substance. Used in a chemical equation
- 6. the small number next to the big letter or number in a chemical equation
- 7. Something that can make things move or change; It could be generated by things like windmills, solar panels, or by Hydropower
- 10. anything that has mass and takes up space
- 12. A state of matter that has its partials tightly packed together and stays in whatever shape its in
- 13. the amount of matter in a object
- 14. its like an equation and uses element symbols and subscripts
- 15. has a positive charge in an atom
- 18. has no charge in an atom
- 21. A state of matter that has its particles move wherever freely and has no fixed shape of volume