172-Coo H2 Coo
21
Define basicity of an acid.
What is the basicity of the following compounds?
(1) H3PO4
(II) HCOOH
(III)
H2So4​

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

13) a 14) a15) b16) i don't know sorry17) a (maybe)