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Radicals are the species having at least one unpaired electron so if 'Cl' is in atomic form then it has 7 outermost electron one is unpaired and it is a radical.
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CArbon has an atomic number of 6. There are therefore only 2 electrons in C4+
s and p orbitals
"Electron cloud" is the name given to the electrons which surrounds the atomic nucleus.
3
Aluminum has an atomic number of 13. Thus, neutral aluminum has 13 protons and 13 electrons. Therefore, its electron configuration is 1s2 2s2 2p6 3s2 3p1. We can see that 3 is the outermost shell and that there are 3 electrons found there.
The atomic number of any element depends on the number of protons it has in its nucleus. Aluminium has 13 protons hence making the atomic number of aluminum 13.
Radicals are the species having at least one unpaired electron so if 'Cl' is in atomic form then it has 7 outermost electron one is unpaired and it is a radical.
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2
6
Aluminum's atomic number is 13, therefore it has 13 electrons in its shells.
2
There are four unpaired electrons in outermost shell of excited carbon atom so it may form four covalent bonds.
The name most often given to the outermost shell of electrons in the context of atomic structure is the valence shell.
There would be 8 valence electrons.