don't see a diagram but from least to most it would be
He least reactive
C
Mg
K most reactive
Jarvis's teacher gives him four cards each displaying information about an element and ask him to put them in order of reactivity the elements are carbon C helium h e magnesium mg and potassium K Jarvis arranges the elements in order from most reactive to least reactive shown in their diagram is Jarvis's Arrangement correct why or why not
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