Question

Which element has the highest melting point?(1) tantalum (3) osmium
(2) rhenium (4) hafnium

Answer 1

Rhenium has the highest melting point.
Tantalum 3020*C
Osmium 3027*C
Rhenium 3182*C
Hafnium 2231*C

Answer 2

The answer is: the highest melting point has 2) rhenium.

Melting point of rhenium (symbol: Re) is 3180°C.

Melting point of tantalum (symbol: Ta) is 3020°C.

Melting point of osmium (symbol: Os) is 3030°C.

Melting point of hafnium (symbol: Hf) is 2230°C.

Rhenium is a chemical element with atomic number 75.

Rhenium is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table.