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Electron Shells
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Electrons are located on specific energy levels known as electron shells around the nucleus of an atom due to their electrostatic attraction to the positively charged protons in the nucleus. Each electron shell represents an energy level that an electron can occupy, with the innermost shell closest to the nucleus and higher energy shells located further away, in accordance with the quantum mechanics model of the atom.
The electrons are found in the electron shells
Electrons that are further away from the nucleus have a greater attraction because the positive and negative charges are stronger than innermost electrons
The largest atom is calcium which has 4 shells.
The electrons with the least amount of energy in a calcium atom in the ground state are located in the innermost electron shell, closest to the nucleus. These electrons have lower energy levels as they are shielded by the outer electron shells.
The electron shell is an energy level represented as the distance of an electron from the nucleus of the atom
A magnesium atom has 12 electrons arranged in 3 shells. The electron configuration of magnesium is 2-8-2, indicating that it has 2 electrons in the first shell, 8 in the second shell, and 2 in the third shell.
The innermost shell of every atom except hydrogen consists of 2 electrons.
the no. of electron shells in an atom varies for every element in the periodic table, depending on its no. of electrons in the atom. the no. of shells of an atom of an element ca be derived through the period of the periodic table. elements in the 1st period has only 1 shell and so forth.
Electrons in the outermost electron shell have the most energy in an atom. The energy of an electron increases as it moves further away from the nucleus. Electrons in the innermost shell have the least energy, while electrons in the nucleus have the highest energy due to their proximity to the protons.