How can you determine the reactivity of an element has electronic configuration?
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Answer: the main elements with high reactivity are potassium, sodium,calcium ,magnesium, aluminium ,zinc,iron,lead,hydrogen ,copper,mercury,silver,gold ......according to decending
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Explanation: the reactivity depends on the outer most electrons and power of ionization
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Generally, elements in Groups 1, 2, and 13 to 17 tend to react to form a closed shell, corresponding to the electron configuration s2p6 . This tendency is called the octet rule, because the bonded atoms have eight valence electrons.
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