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Which element will be more reactive - Mg (magnesium) OR Se (Selenium)? *
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Which element will be more reactive - Mg (magnesium) OR Se (Selenium)? *

User VolosBlur
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7 votes

Answer:

magnesium

Step-by-step explanation:

magnesium is in Group 2, in the periodic table. this means that it has 2 valence electrons. the less valence electrons an element or atom has, the more reactive. Selenium has 6 valence electrons. as a result, Mg is more reactive

User Stif
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