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ArbitrLikvidat [17]
3 years ago
5

Select the name of the element with a condensed ground-state electron configuration of [kr] 5s14d7.

Chemistry
2 answers:
Vilka [71]3 years ago
7 0

elements have equal number of protons and neutrons

the condensed format is when the closest noble gas with the closest electron configuration is given, this closest noble gas atomic number should be lesser than the atoms atomic number

atomic number of Kr is 36

1 electron in 5s subshell and 7 electrons in 4d subshell.

there's a total of 36 + 1 + 7 = 44 electrons

atomic number of the atom is 44

element with atomic number 44 is Ruthenium - Ru

answer is Ru


Tju [1.3M]3 years ago
3 0
Should be rhodium. hope that helps
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