Across
- 1. measures the quantity of matter in an object
- 5. a particle found in the nucleus that has no charge
- 7. type of chemical reaction that releases energy usually in the form of heat
- 8. the most reactive metal found on the periodic table
- 10. type of radiation that has a negative charge
- 11. energy required to remove an electron
- 12. periodic table patterns which repeat themselves
- 13. the addition of kinetic and potential energy
- 15. has a molar mass of 12.01 g/mol
- 18. element with the strongest electronegativity
- 20. elements that have the same number of protons, but different number of neutrons
Down
- 2. heat required to raise the temperature of 1g of a substance by 1°C (2 words)
- 3. substance that has a specific heat of 4.19 J/g·°C
- 4. a unit of measurement measuring 6.02x1023
- 6. the type of bond where electrons are shared
- 9. energy of motion
- 14. the only element that can be found with no neutrons
- 16. a diatomic gas used to disinfect pools
- 17. unit of work
- 19. when a force is applied to an object and the object moves in the direction of the force