What is electron configuration?, The number of protons in an atom, The arrangement of electrons in an atom based on energy levels, The number of neutrons in an atom, The position of an element in the periodic table, The atomic mass of an element, What is the maximum number of electrons in the first shell (K)?, 1, 2, 4, 8, 18, If an atom has an electron configuration of 2, 8, 1, how many shells does it have?, 1, 2, 3, 4, 5.

Electron Configuration

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