A. Characterize each of the following as absorption or emission: an electron moves
from E2 to E1; an electron moves from E1 to E3;
and an electron moves from E6 to E3

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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.