1. How much higher is the temperature needed to melt gold than the temperature needed to melt lead? 2. How much lower is the temperature needed to melt sodium that the temperature needed to melt aluminum?

3. How much is higher is the melting point of tungsten compared to the boiling point of water?

4. Which among the elements in the list below has the lowest melting point? What is its melting point?

5. Which among the elements in the list below has the highest melting point? At what temperature will it melt

ELEMETS: Gold ( Au )
Lead ( Pb )
Sodium ( Na )
Aluminum ( A1 )
Helium ( O )
Tungsten ( W )

MELTING POINT C

1 064,43
327. 50
97. 72
660. 37
-272.20
3, 414 C