The question asks me:
Write the full electron configuration for the element.
1. Boron
2. Neon
3. Silicon
4. Beryllium
The second part of my hw asks: identify the following elements and write the electron configuration for each.
1. The element in group 4 period 5
2. The halogen in period 3
3. The element with 28 neutrons
Electron configuration.?
2014-01-20 7:32 am
回答 (1)
2014-01-20 9:17 am
✔ 最佳答案
Boron Z=5 1s2 2s2 2pNeon Z=10 1s2 2s2 2p6
Si Z=14 1s2 2s2 2p6 3s2 3p2
Be Z=4 1s2 2s2
1 element group 4 period 5 Z=23 1s2 2s2 2p6 3s2 3p6 4s2 3d3
Halogen in period 3 Is Cl Z=17 1s2 2s2 2p6 3s2 3p5
impossible to answer that question . Name of element is independent of number of neutrons
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