xbeatdroperzx
27.10.2020 •
Chemistry
The non-metals in this family are the most reactive.
-alkali
-alkaline earth
-halogen
-noble gas
Which one?
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Ответ:
Alkali metals
Explanation:
Alkali and Alkaline earth metals are metals
Halogens are non metals
Noble gases are very unreactive non metals
Ответ:
Explanation:
Examples of physical properties are: color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction (paramagnetic) or repulsion (diamagnetic) to magnets, opacity, viscosity and density.