# FAQ: How many electrons in the n=2 shell of a ground state atom can have the quantum numbers?

## What is the maximum number of electrons that can have the quantum number n 2 in an atom?

Part 1. a) There can be a maximum of 8 electrons for n = 2. The 2s subshell can hold 2 electrons, and the 2p can hold 6 electrons.

## What is the maximum number of electrons possible in the shell with N 2?

(a) When n = 2, there are four orbitals (a single 2s orbital, and three orbitals labeled 2p). These four orbitals can contain eight electrons. Again, each orbital holds two electrons, so 50 electrons can fit in this shell. If a shell contains a maximum of 32 electrons, what is the principal quantum number, n?

## How many electrons in an atom can the quantum number n equal 2?

Table of Allowed Quantum Numbers

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n l Number of electrons
1 2
2 2
1 6
3 2

## How many electrons in an atom can have the same quantum state?

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. Each value of n corresponds to a shell, and each value of l corresponds to a subshell.

## What is the highest energy level that contains electrons?

Number of electrons per sublevel

Energy Level Sublevels Maximum Number of Electrons per Energy Level
1 s 2
2 s 8
p
3 s 18

## How many possible orbitals are there for N 4?

For n = 3 there are nine orbitals, for n = 4 there are 16 orbitals, for n = 5 there are 52 = 25 orbitals, and so on. To calculate the maximum number of electrons in each energy level, the formula 2n2 can be used, where n is the principal energy level (first quantum number).

## Why is 3rd shell 8 or 18?

In this sense the third shell can hold 8 electrons. In this sense the third shell can hold a total of 18 electrons. So the third shell can be considered to hold 8 or 18 electrons but in total the third shell can hold 18 electrons.

## What is the maximum number of electrons in n shell?

Number of electrons in each shell

Shell name Subshell name Shell max electrons
M 3p 2 + 6 + 10 = 18
3d
N 4s 2 + 6 + 10 + 14 = 32
4p

## Why does the first shell only have 2 electrons?

Every subshell has a # of orbits s/p/d/f that can each hold 2 electrons each (one has the opposite spin of the other). The first shell (of all atoms) has 1 subshell of s-orbitals containing 1 s orbital. This means that the first shell can hold 2 electrons.

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## How many electrons are in a neutral atom of oxygen?

Now you can figure out how many electrons, protons and neutrons Oxygen has: Atomic number (which is always the smaller of the two numbers) is 8. Hence 8 protons. Because the atom is neutral, there are also 8 electrons.

## How many electrons can n 2 have?

Orbitals and Electron Capacity of the First Four Principle Energy Levels
Principle energy level (n) Type of sublevel Maximum number of electrons (2n2)
2 s 8
p
3 s 18

## What are the 3 quantum numbers?

The three quantum numbers (n, l, and m) that describe an orbital are integers: 0, 1, 2, 3, and so on. The principal quantum number (n) cannot be zero. The allowed values of n are therefore 1, 2, 3, 4, and so on. The angular quantum number (l) can be any integer between 0 and n – 1.

## Can two electrons have the same 4 quantum numbers?

The Pauli Exclusion Principle states that, in an atom or molecule, no two electrons can have the same four electronic quantum numbers. As an orbital can contain a maximum of only two electrons, the two electrons must have opposing spins. 4 дня назад

## Can two electrons in the same orbital have the same spin?

Pauli’s Exclusion Principle states that no two electrons in the same atom can have identical values for all four of their quantum numbers. In other words, (1) no more than two electrons can occupy the same orbital and (2) two electrons in the same orbital must have opposite spins (Figure 46(i) and (ii)). Figure 46.

## Why can an orbital not have more than 2 electrons?

According to Pauli’s Exclusion principle, no two electrons in an atom can have the same four quantum numbers. They can have three same quantum numbers in an orbital(n,m,l) but their magnetic spin cannot be the same. Thus, an orbital cannot have more than 2 electrons.

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