Which element has the electron configuration of 1s 2 2s 2 2p 6 3s 2?
silicon
| Element | Atomic number | Electron configuration |
|---|---|---|
| silicon | 14 | 1s22s22p63s23p2 |
| phosphorus | 15 | 1s22s22p63s23p3 |
| sulfur | 16 | 1s22s22p63s23p4 |
| chlorine | 17 | 1s22s22p63s23p5 |
Do Cr3+ and V2+ have the same or different electron configurations?
I1 for the boron atom is greater. Would Cr3+ and V2+ have the same or different electron configurations? A. They have the same electron configuration: [Ar] 3d 3 B They have the same electron configuration: [Ar] 4s 1 3d 2 B.
Which element is 1s22s22p6?
Electron Configurations
| A | B |
|---|---|
| Phosphorous | 1s2 2s2 2p6 3s2 3p3 |
| Hydrogen | 1s1 |
| Helium | 1s2 |
| Lithium | 1s2 2s1 |
How many valence electrons are in an atom of Silicon?
Four valence electrons
The correct answer is Four valence electrons. Silicon possesses 4 valence electron (2, 8, 4). It has 2 electrons in the first shell, eight electrons in the second shell, and four electrons in the third shell.
How many electrons are there in 1s22s22p63s2?
Example: 1s2 2s2 2p6 3s2 3p6 4s2 3d3 (This has a total of 23 electrons which equals the atomic number of V – Vanadium.).
Which is the correct electron configuration of ru3 +?
The electron configuration of ruthenium ion(Ru3+) is 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d5.
What is the ground state electron configuration for Cr3+?
Cr3+ has 3 electrons removed from the outermost shell. Therefore, the electronic configuration comes out to be [Ar]3d3.
What is the chemical symbol of silicon?
SiSilicon / Symbol
What is the valence configuration of silicon?
[Ne] 3s² 3p²Silicon / Electron configuration