Refractory metals include niobium (Nb),(),(), and()

Refractory metals include niobium (Nb),(),(), and()

A.Zirconium

B.Molybdenum (Mo)

C.Tungsten (W)

D.Tantalum (Ta)

正确答案:Molybdenum (Mo);Tungsten (W);Tantalum (Ta)

猜你喜欢