![subject](/tpl/images/cats/himiya.png)
Chemistry, 24.05.2021 21:10 tonimgreen17p6vqjq
1. In the substance PbO2, each oxygen has a oxidation number i. e. charge) of -2. What must be the oxidation number (I. e. charge) for the lead atom, Pb, in PBO2?
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:50
Calculate the number of molecules present in 0.750 mol of mgo.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:30
Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:30
What is the chemical formula of magnesium bromide? a. mgbr2 b. mgbr c. mg2br2 d. mg2br
Answers: 3
You know the right answer?
1. In the substance PbO2, each oxygen has a oxidation number i. e. charge) of -2. What must be the o...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.10.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 20.10.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2020 23:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2020 23:01
![question](/tpl/images/cats/istoriya.png)
History, 20.10.2020 23:01
![question](/tpl/images/cats/en.png)
English, 20.10.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2020 23:01
![question](/tpl/images/cats/en.png)
English, 20.10.2020 23:01
![question](/tpl/images/cats/fizika.png)
Physics, 20.10.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 20.10.2020 23:01
![question](/tpl/images/cats/en.png)
English, 20.10.2020 23:01
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 20.10.2020 23:01