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Physics, 03.11.2020 22:50 hilarydodard7099

(WILL MARK BRANLIEST) Based on the placement on the Periodic Table, what set of elements have the same number of energy levels?

Hydrogen, helium, and lithium

Boron, silicon, and arsenic

Carbon, nitrogen, and oxygen

Titanium, zirconium, and hafnium

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(WILL MARK BRANLIEST) Based on the placement on the Periodic Table, what set of elements have the s...
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