The amount of heat released by the complete burning of 1 mole of a substance is the .

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.

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium

Answer is (d)a brainliest would be appreciated