Which one has strong burning flame temperature in air. potassium or

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Magnesium has the highest flame temperature when burned in air, surpassing potassium. While potassium is more reactive than magnesium, it does not achieve a higher flame temperature. The reactivity series indicates that as one moves from magnesium to potassium, the burning reactivity increases. However, this increased reactivity does not correlate with higher flame temperatures. Understanding these properties is essential for applications involving combustion and chemical reactions.
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which one has strong burning flame temperature in air. ..potassium or

for what I know magnesium has the highest flame temperature..but most of books I read that from magnesium to potassium will increase the reactive buning element in air ... same in series reactive table...for oxygen reaction
 
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