Help on 2.43

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Amanda Cardenas 1J
Posts: 30
Joined: Thu Feb 01, 2018 3:00 am

Help on 2.43

Postby Amanda Cardenas 1J » Thu May 03, 2018 10:28 pm

I need help with parts a, b and d for 2.43. Any help is needed. Thanks.
2.43: What is the ground-state electron configuration expected for each of the following elements:
(a) Silver
(b) Beryllium
(d) Gallium

Nahelly Alfaro-2C
Posts: 59
Joined: Wed Nov 15, 2017 3:04 am

Re: Help on 2.43

Postby Nahelly Alfaro-2C » Thu May 03, 2018 11:13 pm

The ground-state configuration of the elements is the last noble gas of the row above it with the electron configuration. So the elements configuration for a,b, and d would be
silver- [Kr]4d^10 5s
beryllium-[He]2s^2
gallium-[Ar]3d^10 4s^2 4p

alexagreco1A
Posts: 34
Joined: Fri Apr 06, 2018 11:03 am

Re: Help on 2.43

Postby alexagreco1A » Sat May 05, 2018 4:53 pm

Part e for 2.43 asks the electron configuration for Tungsten. How do we do the electron configuration for the f subshell, or do we not need to know this for the midterm?

Tina Wen 1G
Posts: 31
Joined: Fri Apr 06, 2018 11:05 am

Re: Help on 2.43

Postby Tina Wen 1G » Sun May 06, 2018 6:49 pm

IMG_9120.jpg
answer


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