Across
- 2. A change in matter in which the arrangement of atoms are changed and an entirely new substance is formed.
- 5. Element with properties of metals and nonmetals.
- 10. Group of atoms bonded together.
- 15. Element that conducts heat and electricity poorly.
- 18. Particles are very close together.
- 21. The amount of mass per unit of volume.
- 22. Basic unit of an element.
- 24. Features of all matter that can be observed and measured without changing the chemical composition of the substance.
- 25. Substance has a definite volume but not a definite shape.
Down
- 1. The property of a substance that is observed during a chemical change.
- 3. Element that is shiny and conducts heat and electricity.
- 4. Capable of being attracted by or acquiring the properties of a magnet.
- 6. Matter cannot be created or destroyed however matter can change forms, says this law.
- 7. A change in which only the appearance or form of matter changes and not its chemical properties.
- 8. Cannot be separated into simpler substance by physical or chemical means.
- 9. The amount of space something takes up.
- 11. Branch of science that deals with the properties, composition, and structure of elements and compounds, how they can change, and the energy that is released or absorbed when they change.
- 12. Particles collide very often.
- 13. A substance consisting of atoms or ions of two or more different elements in definite proportions joined by chemical bonds; cannot be physical separated.
- 14. Something that can flow freely and mix together easily.
- 16. The amount of matter in an object.
- 17. Representation of a chemical reaction in the form of symbols and formula.
- 19. Has definite volume but no definite shape.
- 20. Substance with only one type of particle.
- 23. The amount of mass in something.