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The third principal energy level can hold a maximum of 18 electrons. Two are in the s orbital, 6 in the three p orbitals, and 10 in the five d orbitals.

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How how many electrons can each of the four shells nearest the nucleus hold?

The first shell (K shell) can hold up to 2 electrons, the second shell (L shell) can hold up to 8 electrons, the third shell (M shell) can hold up to 18 electrons, and the fourth shell (N shell) can hold up to 32 electrons.


How many electrons does each main energy level hold?

The first energy level can hold up to 2 electrons, the second can hold up to 8 electrons, the third can hold up to 18 electrons, and the fourth can hold up to 32 electrons, following the 2n^2 rule where n is the energy level number.


How many electrons does it take to fill up the third shell?

The third shell can hold a maximum of 18 electrons.


How electrons does a K shell L shell M shell and N shell have?

Maximum number of possible electrons in each shell: K - 2 L - 8 M - 8 N - 18


How many shells do 20 electrons need?

20 electrons would need 4 shells. The first shell can hold up to 2 electrons, the second shell can hold up to 8 electrons, the third shell can hold up to 18 electrons, and the fourth shell can hold up to 32 electrons.


How many places are there for electrons in the third shell of an atom?

The third shell of an atom can hold a maximum of 18 electrons. This shell consists of three subshells - s, p, and d - with each subshell being able to accommodate a certain number of electrons. The s subshell can hold up to 2 electrons, the p subshell can hold up to 6 electrons, and the d subshell can hold up to 10 electrons, totaling 18 electrons in the third shell.


How many electrons can each level hold?

Maximum of 2n2, where n is the energy level.


How many electrons can each of the three shells hold in respective order from lowest to highest?

The first shell can hold up to 2 electrons, the second shell can hold up to 8 electrons, and the third shell can hold up to 18 electrons.


How many electrons can fit in the first four energy levels?

The first energy level can hold up to 2 electrons, the second energy level can hold up to 8 electrons, the third energy level can hold up to 18 electrons, and the fourth energy level can hold up to 32 electrons.


How many electrons can there be in each of the four shells surrounding an atom?

Shell 1: Two electrons Shell 2: Eight electrons Shell 3: Eight electrons Shell 4: Eighteen electrons


How many electrons can be on the M shell?

The M shell can hold a maximum of 18 electrons. This shell consists of three subshells: 3s, 3p, and 3d. The 3s subshell can hold up to 2 electrons, the 3p subshell can hold up to 6 electrons, and the 3d subshell can hold up to 10 electrons.


How many electrons does it take to fill the 1st 2nd and 3rd energy levels?

The 1st energy level can hold up to 2 electrons, the 2nd energy level can hold up to 8 electrons, and the 3rd energy level can hold up to 18 electrons.