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18 electrons

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  • What is the 4th energy level of the periodic table?

  • The fourth energy level of the periodic table includes the 4s 3d and 4p orbitals. The 4p orbital holds 6 electrons. There is a 4d orbital with 10 electrons which coincides with the 5th energy level of the periodic table. There is also a 4f orbital with 14 electrons, but this coincides with the 6th energy level of the periodic table.

  • What is the number of electrons in each energy level?

  • Thus, the first energy level holds 2 * 1^2 = 2 electrons, while the second holds 2 * 2^2 = 8 electrons. Following the formula, the third energy level can contain 18 electrons, the fourth energy level can hold 32 electrons, the fifth energy level can hold 50 electrons,…

  • How many electrons are in the 7th energy level?

  • Following the formula, the third energy level can contain 18 electrons, the fourth energy level can hold 32 electrons, the fifth energy level can hold 50 electrons, the sixth energy level can carry up to 72 electrons and the seventh energy level can contain 98 electrons.

  • What is the maximum number of electrons gained in the fourth period?

  • The maximum number of electrons to be gained in the fourth period is 18, because we have: 2 electrons from the 4s orbital series; 10 electrons from 3d orbital series; and 6 electrons from 4p orbital series.

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