darryl10062 darryl10062

07-01-2022
Physics

contestada

Which list of elements is placed in order from least reactive to most reactive?
A. Ar, Si, Mg, Na
B. Si, Mg, Na, Ar
C. Si, Na, Mg, Ar
D. Na, Mg, Si, Ar

Respuesta :

ashish4112121 ashish4112121

18-01-2022

Answer:

A. Ar, Si, Mg, Na

Explanation:

ar is argon which is an inert gas. its in group 18. whole column is filled with inert gases.

na is sodium. very reactive. its in group 1. whole column is filled with very reactive elements

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