![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 02:40
Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:30
Identify two types of chemical bonding in the source of dietary potassium
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:20
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .
Answers: 2
![question](/tpl/images/cats/himiya.png)
You know the right answer?
What compound do the ions al3+ and o2- form...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.11.2020 14:00
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.11.2020 14:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 02.11.2020 14:00
![question](/tpl/images/cats/en.png)
English, 02.11.2020 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.11.2020 14:00
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 02.11.2020 14:00
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 02.11.2020 14:00
![question](/tpl/images/cats/en.png)
English, 02.11.2020 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.11.2020 14:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.11.2020 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.11.2020 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 02.11.2020 14:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 02.11.2020 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 02.11.2020 14:00