WHICH HAS MAX HARDNESS
NAF AL2O3 MGF2 TIO2
WHICH HAS MAX HARDNESS
NAF AL2O3 MGF2 TIO2
RAJ RANJAN SINGH , 15 Years ago
Grade 11
Inorganic Chemistry> CB2...
2 Answers
ruchi yadav
hardness depends upon d covalency or d covalent strength of d cov bonds. all hard substances r brittle because in d absence of ionicity d molecules slip easily. in case of polymers de r plastic because in dem thr is nothing apart frm d strong n higly durable covalent bonds
Thank You
Ruchi
Askiitians Faculty
Shubham Gupta
Al2O3 has maximum hardness Hardness of ionic compound directly proportional to lattice energy And lattice energy directly proportional to effective charge/radius ratio(Z+ * Z- /r+ + r-)
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