# How Many Electrons Can The 4 Shell Hold?

## What is the maximum number of electrons in the 4th Shell?

32Thus, the fourth level can hold up to 32 electrons: 2 in the s orbital, 6 in the three p orbitals, 10 in the five d orbitals, and 14 in the seven f orbitals.

The sublevels of the first four principal energy levels and the maximum number of electrons that the sublevels can contain are summarized in Table 5.1..

## How many electrons can the outer shell hold?

eight electronsMost of the elements important in biology need eight electrons in their outermost shell in order to be stable, and this rule of thumb is known as the octet rule. Some atoms can be stable with an octet even though their valence shell is the 3n shell, which can hold up to 18 electrons.

## Which element has 2 5 electrons per shell?

List of elements with electrons per shellZElementNo. of electrons/shell49Indium2, 8, 18, 18, 350Tin2, 8, 18, 18, 451Antimony2, 8, 18, 18, 552Tellurium2, 8, 18, 18, 681 more rows

## What is the 2 8 8 rule in chemistry?

There is a 2-8-8 rule for these elements. The first shell is filled with 2 electrons, the second is filled with 8 electrons, and the third is filled with 8. You can see that sodium (Na) and magnesium (Mg) have a couple of extra electrons. They, like all atoms, want to be happy.

## Why are there 18 electrons in the third shell?

The 3rd subshell consists of an s orbital , a set of (3)p orbitals and a set of (5)d orbitals. Each orbital holds 2 electrons and you will indeed find that you can fir 18 electrons in. … This is because it is the maximum capacity of the 3rd shell and it doesn’t tell about the order in which the electrons are filled.

## How many electrons are in the third shell?

eight electronsThe second shell can hold a maximum of eight electrons. When this is filled, electrons go into the third shell, which also holds a maximum of eight electrons.

## How many electrons can the 5 Shell hold?

Questions and AnswersEnergy Level (Principal Quantum Number)Shell LetterElectron Capacity3M184N325O506P722 more rows

## Why is 3rd shell 8 or 18?

The third shell of an atom has 18 electrons only not 8 electrons. You might be confused because first the electrons of 4s are filled and then the 10 electrons of 3d shells are filled. They are filled because of the n-l rule. … So after filling the 3s and 3p subshell with 8 electrons, the next shell to fill is the 4s one.

## Why are there 32 electrons in the 4th Shell?

In my textbook, it says that the maximum number of electrons that can fit in any given shell is given by 2n². This would mean 2 electrons could fit in the first shell, 8 could fit in the second shell, 18 in the third shell, and 32 in the fourth shell.

## Can two electrons be in the same shell?

The state of a system is completely described by a complete set of quantum numbers. … The Pauli exclusion principle says that no two electrons can have the same set of quantum numbers; that is, no two electrons can be in the same state. This exclusion limits the number of electrons in atomic shells and subshells.

## Why are shells named KLMN?

The names of the electron shells come from a fellow named Charles G. Barkla, a spectroscopist who studied the X-rays that are emitted by atoms when they are hit with high energy electrons. … This innermost shell is now called the K-shell, after the label used for the X-ray.

## Why does M Shell have 8 electrons?

This implies that it can contain a maximum of 2 * electrons. However if you consider the first 18 elements of the periodic table, the maximum number of electrons found in the m-shell is 8. This is because of the fact that electrons are filled in shells in the increasing order of energy.

## How do you find the number of electrons in a shell?

Rule 1: The maximum number of electrons present in a particular shell is calculated by the formula 2n2, where “n” represents the shell number. For instance, K shell is the first shell and it can hold up to 2(1)2 = 2 electrons. Similarly, L shell is the second shell and it can hold up to 2(2)2 = 8 electrons.