Across
- 4. when two or more elements are chemically combined
- 5. compound with only non-metals
- 6. elements in the same vertical column
- 7. the amount of matter per unit volume
- 9. a type of bond where electrons are shared between atoms
- 12. subatomic particles with a positive charge
- 16. these gases are unreactive
- 17. quantity of matter
- 18. ability to be drawn into long thin wires
- 21. this type of element is not a good conductor
- 24. small particles that make up an atom
- 25. electrons _________ in an ionic bond
- 26. is made of one type of particle
- 27. compound with a metal and a non-metal
Down
- 1. the ability of a substance to be hammered or bent into different shapes
- 2. the lightest element
- 3. how much space a substance takes up
- 5. contains two different pure substances or particles
- 8. this chemical family includes poisonous gases
- 10. how easily a liquid flows
- 11. Elements are arranged in the periodic table according to their __________ number.
- 13. only one visible part in the mixture
- 14. the row of a periodic table
- 15. ____________change involves the production of a new substance
- 19. this type of element is shiny and a good conductor of electricity
- 20. orbit the nucleus of an atom
- 22. the smallest unit of an element that has all of its properties
- 23. anything that has mass and occupies space