What happen if .. we go from down to upside group 7A (concerning chemical activity

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.

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False, as a substance changes from a solid to a liquid and from a liquid to a gas the molecules get farther apart from each other