Question
Two elements X and Y have their atomic number being 11 and 19 respectively
a. Show their electronic configurations
b. Are the elements in the same period or group, give a reason for your answer
c. Compare the reactivity of the two elements
a. Show their electronic configurations
b. Are the elements in the same period or group, give a reason for your answer
c. Compare the reactivity of the two elements
Answer
a)
x - 2.8.1
Y - 2.8.8.1
b)
-- Same group, because they both have one electron in the outermost energy level.
c)
-- Element Y is more reactive than X.
x - 2.8.1
Y - 2.8.8.1
b)
-- Same group, because they both have one electron in the outermost energy level.
c)
-- Element Y is more reactive than X.
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