Potassium has an atomic number of 19. what is its electron configuration?
shells 1 and 2 are...
![Biology](/tpl/images/cats/biologiya.png)
Potassium has an atomic number of 19. what is its electron configuration?
shells 1 and 2 are full, and shell 3 has nine electrons
shells 1, 2 and 3 are full and shell 4 has three electrons
shells 1, 2 and 3 are full and shell 4 has one electron
shells 1, 2 and 3 are full and no other electrons are present
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 18:50, Angel13613
Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.
Answers: 3
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 05:30, sandygarcia65
“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory
Answers: 3
Do you know the correct answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 24.01.2021 22:00
![Konu](/tpl/images/cats/health.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 24.01.2021 22:00
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 24.01.2021 22:00
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 24.01.2021 22:00
![Konu](/tpl/images/cats/mat.png)
Mathematics, 24.01.2021 22:00
![Konu](/tpl/images/cats/en.png)
English, 24.01.2021 22:00