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the number of electrons found in the third shell of an helium atom are nill because its atomic number is 2
It depends what electronic state it's found in, but in it's ground state (natural form) it has two electrons in the first shell, eight in the second and none in the third. This is because it has an atomic number of 10. 2+8 = 10.
The first shell (K shell) can hold up to 2 electrons, the second shell (L shell) can hold up to 8 electrons, the third shell (M shell) can hold up to 18 electrons, and the fourth shell (N shell) can hold up to 32 electrons.
There are 4 shells in 20 electrons: 2 electrons in the first shell, 8 in the second, 8 in the third, and 2 in the fourth shell.
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Lithium has the electronic configuration 1s2 2s1 There are therefore 2 electrons in the first i.e. lowest energy shell.
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Sulfur has 2 electrons in its first electron shell, 8 electrons in its second electron shell, and 6 electrons in its third electron shell.
The third shell can hold a maximum of 18 electrons.
A lithium atom has one electron on the outer shell. This is because there is 2 electrons maximum on the inner shell, so there is one left over for the outer shell. Hope you understand now xx
3. 2 in the first shell, 1 in the second
The third shell of an atom can hold a maximum of 18 electrons. The first shell can hold up to 2 electrons, the second shell up to 8 electrons, and the third shell up to 18 electrons based on the formula 2n^2, where n is the shell number.
Just the one electron in Lithium's outer shell is responsible for its chemical properties.
The third electron shell can hold a maximum of 18 electrons.
the number of electrons found in the third shell of an helium atom are nill because its atomic number is 2
It depends what electronic state it's found in, but in it's ground state (natural form) it has two electrons in the first shell, eight in the second and none in the third. This is because it has an atomic number of 10. 2+8 = 10.