D And F Block Elements Question 138
Question: The hardness of $ Cr $ is due to …… and metallic lusture is due to …….
Options:
A) Covalent bond, metallic bond
B) Covalent bond, hydrogen bond
C) Metallic bond, covalent bond
D) Metallic bond, hydrogen bond
Show Answer
Answer:
Correct Answer: A
Solution:
Covalent bond is constituted by electrons of d-orbitals and lusture is due to free electrons of s-orbital in metallic bond.
BETA
