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Chemistry, 03.12.2021 14:40 bl88676

The valence electrons of a krypton (Kr) atom in the ground state are located in the A. first energy level (shell).
B. second energy level (shell).
C. third energy level (shell).
D. fourth energy level (shell).

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The valence electrons of a krypton (Kr) atom in the ground state are located in the A. first energ...
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