Question

1. what is the relationship between the kinetic energy of molecules and their physical state? elements and compounds fill in the blank portions of the chart

element name	element symbol
7.	cu
8. lead
9.	w
10.	fe
11.	sn
12. potassium
13.	au
14. mercury
15.	ag

Explanation:

Step1: Recall element - symbol pairs

Sodium's symbol is Na. Cu is copper. Lead's symbol is Pb. W is tungsten. Fe is iron. Sn is tin. Potassium's symbol is K. Au is gold. Mercury's symbol is Hg. Ag is silver.

Answer:

1. Na
2. Copper
3. Pb
4. Tungsten
5. Iron
6. Tin
7. K
8. Gold
9. Hg
10. Silver