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Chemistry, 17.12.2019 04:31 charity56

Which element has the electron configuration [xe] 652 4f1450° 6pt?
a
gold fatomic number 79)
ob. mercury (atomic number 80)
lead (atomic number 82)
d. potassium (atomic number 19)
o e.
copper (atomic number 29)

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Which element has the electron configuration [xe] 652 4f1450° 6pt?
a
gold fatomic numbe...
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