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

A physical property is a characteristic of matter that is not associated with a change in its chemical composition. Familiar examples of physical properties include density, color, hardness, melting and boiling points, and electrical conductivity.

Explanation:

i believe it is c.) 1575 j.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.