Acalcium ion has a charge of +2. how many protons and electrons does it have?
an atom h...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 21.01.2020 23:31 ErikHabdlowich
Acalcium ion has a charge of +2. how many protons and electrons does it have?
an atom has 6 protons, 7 neutrons, and 6 electrons.
fill in the blanks below for this atom:
atomic
atomic
this atom belongs to which element?
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/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 23:00
What is the average rate of the reaction between 10 and 20 s?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:00
Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:00
Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 09:30
The earth's surface is (science) a: studied using seismic waves b: constantly changing over time c: only studied indirectly d: the same today as million of years
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 20.02.2021 09:50
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:10
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:10
![question](/tpl/images/cats/fizika.png)
Physics, 20.02.2021 14:10
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:10
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:10
![question](/tpl/images/cats/mat.png)
Mathematics, 20.02.2021 14:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.02.2021 14:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 20.02.2021 14:10