what are the names of the subshells 5th shell contains?
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5s, has 2 electrons
5p, has 6 electrons
5d, has 10 electrons
5f, has 14 electrons
5g, has 18 electrons.
5p, has 6 electrons
5d, has 10 electrons
5f, has 14 electrons
5g, has 18 electrons.
sarthakbuster:
so why 5th period has 18 elements
While filling 5th shell according to aufbau principle 5s,5p.4d filled so 2 +6 +10 =18 electrons or elements are present in 5th shell.
We start the 5th period with 4s orbital. We can add 2 electrons in 4s. Then we fill 6 electrons in 4p orbital. Further we start filling the 4d orbital which can take 10 electrons. So in the 4th principal quantum energy stater, we can fill 18 electrons. Thus 5th period has 18 elements.
We start the 5th period with 4s orbital. We can add 2 electrons in 4s. Then we fill 6 electrons in 4p orbital. Further we start filling the 4d orbital which can take 10 electrons. So in the 4th principal quantum energy stater, we can fill 18 electrons. Thus 5th period has 18 elements.
but why aufbau's principle says that 5th shell has 5s,5p,4d subshell... can u tell me details about aufbau principle
yeah wait a minute
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Electrons orbit the nucleus of an atom at different ranges, called shells.
Each shell has a different energy level, increasing the further it is from the nucleus.
Each energy level is given a number called the principal quantum number, n. The closest shell has a value of n=1. The next shell has a value of n=2, etc.
The maximum number of electrons possible in the first four energy levels are:
n=ShellMaximum Number of Electrons11st Shell222nd Shell833rd Shell1844th Shell32
Using the above you can work out the maximum number of electrons that can occupy a shell is 2n2.
Electrons are placed into available shells, starting with the lowest energy level. Each shell must be full before the next starts to fill. This model breaks down at the n=3 shell because each shell has subshells.
Subshells
There are 4 subshells, s, p, d, and f. Each subshell can hold a different number of electrons.
SubShellElectronss2p6d10f14
The n number determines how many of the subshells make up the shell. For example, the 1st shell is made up of 1 subshell, s. It can therefore contain only 2 electrons.
The 2nd shell is made up of 2 subshells, s and p. It can therefore contain 2+6=8 electrons.
A complete table for the first four shells looks like:
ShellSubshellTotal Number of Electrons in Shell1st Shell1s22nd Shell2s, 2p2 + 6 = 83rd Shell3s, 3p, 3d2 + 6 + 10 = 184th Shell4s, 4p, 4d, 4f2 + 6 + 10
Each shell has a different energy level, increasing the further it is from the nucleus.
Each energy level is given a number called the principal quantum number, n. The closest shell has a value of n=1. The next shell has a value of n=2, etc.
The maximum number of electrons possible in the first four energy levels are:
n=ShellMaximum Number of Electrons11st Shell222nd Shell833rd Shell1844th Shell32
Using the above you can work out the maximum number of electrons that can occupy a shell is 2n2.
Electrons are placed into available shells, starting with the lowest energy level. Each shell must be full before the next starts to fill. This model breaks down at the n=3 shell because each shell has subshells.
Subshells
There are 4 subshells, s, p, d, and f. Each subshell can hold a different number of electrons.
SubShellElectronss2p6d10f14
The n number determines how many of the subshells make up the shell. For example, the 1st shell is made up of 1 subshell, s. It can therefore contain only 2 electrons.
The 2nd shell is made up of 2 subshells, s and p. It can therefore contain 2+6=8 electrons.
A complete table for the first four shells looks like:
ShellSubshellTotal Number of Electrons in Shell1st Shell1s22nd Shell2s, 2p2 + 6 = 83rd Shell3s, 3p, 3d2 + 6 + 10 = 184th Shell4s, 4p, 4d, 4f2 + 6 + 10
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