How does balancing equations prove the law of conservation
of matter?

Every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed.

7is b8 is d9 is c10 is a11 is d

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.