![subject](/tpl/images/cats/himiya.png)
Chemistry, 20.01.2021 16:50 naenae1405
"The atom of an element has 15 electrons. How many energy levels are there in the atom, and how many of them are full of electrons?"
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 02:30
When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 03:10
Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:30
Light waves can move through , but they travel fastest when they move through a(n) .
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:50
The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
Answers: 3
You know the right answer?
"The atom of an element has 15 electrons. How many energy levels are there in the atom, and how many...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 15.12.2020 22:40
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.12.2020 22:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.12.2020 22:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.12.2020 22:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 15.12.2020 22:40
![question](/tpl/images/cats/es.png)