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Gnom [1K]
3 years ago
14

Which element has a total of 5 occupied principal energy levels?

Chemistry
1 answer:
galina1969 [7]3 years ago
6 0
<h3><u>Answer;</u></h3>

cadmium

<h3><u>Explanation;</u></h3>
  • Cadmium is a transition metal. The transition metals are the elements found in Rows 4 through 7 between Groups 2 and 13 in the periodic table.
  • It has an atomic number of 48, and an atomic mass of 112.411 and has 48 electrons which occupies 5 energy levels.
  • The element has an electron configuration of 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2. or Kr 4d10 5s2
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3 0
3 years ago
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8 0
3 years ago
A __________ has distinct properties and composition that never vary.
erik [133]
<h2>Answer </h2>

Matter

<u>Explanation </u>

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Read 2 more answers
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