Define the following IN YOUR OWN HANDWRITING 1.physical properties

2. chemical properties

3. extensive properties

4. intensive properties

5. physical changes

6. chemical changes

7. solid

8. liquid

9. gas,

10. vapor

11. states of matter

12. matter

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Match the term to its description match term definition chemical energy a) internal energy caused by vibrations of atoms and molecules electrical energy b) electromagnetic energy that travels in waves radiant energy c) the movement of an electrical charge thermal energy d) potential energy stored in the bonds between atoms