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That is the element phosphorous
Beryllium- 1s2, 2s2 or [He] 2s2 Magnesium- 1s2, 2s2, 2p6, 3s2 or [Ne] 3s2 Calcium- 1s2, 2s2, 2p6, 3s2, 3p6,4s2 or [Ar] 4s2 Strontium- 1s2, 2s2, 2p6,3s2,3p6, 4s2, 3d10, 4p6,5s2 or [Kr] 5s2
Aluminum, Al, has 13 electrons. It is in period 3 and group 3A, so it is a P block element with 3 valence electrons. The ground state configuration would be 1s2 2s2 2p6 3s3
1s2, 2s2 2p6, 3s2 3p1or[Ne], 3s2 3p1
1s2 2s2 2p6 3s2 3p1
This element is chlorine (group 17).
Group 2 (Alkaline Earth Metals) Beryllium: 1s2 2s2 Magnesium: 1s2 2s2 2p6 3s2 Calcium: 1s2 2s2 2p6 3s2 3p6 4s2 Strontium: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 Barium: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2 4d10 5p6 6s2 Radium: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4f14 4d10 4p6 5s2 5d10 5p6 6s2 6s2 6p6 7s2
cs2Electronic Configurationc6=1s2, 2s2, 2p6 s16=1s2, 2s2, 2p6, 3s2, 3p6s16=1s2, 2s2, 2p6, 3s2, 3p6
That is the element phosphorous
Beryllium- 1s2, 2s2 or [He] 2s2 Magnesium- 1s2, 2s2, 2p6, 3s2 or [Ne] 3s2 Calcium- 1s2, 2s2, 2p6, 3s2, 3p6,4s2 or [Ar] 4s2 Strontium- 1s2, 2s2, 2p6,3s2,3p6, 4s2, 3d10, 4p6,5s2 or [Kr] 5s2
This element is chlorine (group 17).
The investigator will find that 1s2 2s2 2p6 is the electron configuration for neon.
1s2 2s2 2p6 3s2
Aluminum, Al, has 13 electrons. It is in period 3 and group 3A, so it is a P block element with 3 valence electrons. The ground state configuration would be 1s2 2s2 2p6 3s3
1s2 2s2 2p6 and is N3- nitrate
1s2 + 2s2 + 2p6 + 3s2 + 3p4 = sulfur's orbital notation
1s2, 2s2 2p6, 3s2 3p1or[Ne], 3s2 3p1