![subject](/tpl/images/cats/himiya.png)
1. Which of the following elements has incorrect information?
A. Cs+ 55 protons, 54 electrons, loses 1 electron
B. Cr2– 24 protons, 26 electrons, loses 2 electrons
C. Cu2+ 29 protons, 27 electrons, loses 2 electrons
D. Cl– 17 protons, 18 electrons, gains 1 electron
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 05:00
Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:20
Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:20
Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 15:00
How many more valence electrons does sodium need to have a full outer valence shell
Answers: 3
You know the right answer?
1. Which of the following elements has incorrect information?
A. Cs+ 55 protons, 54 electrons, los...
Questions
![question](/tpl/images/cats/fizika.png)
Physics, 20.12.2019 19:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.12.2019 19:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 20.12.2019 20:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.12.2019 20:31
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.12.2019 20:31
![question](/tpl/images/cats/mat.png)
Mathematics, 20.12.2019 20:31
![question](/tpl/images/cats/fr.png)
French, 20.12.2019 20:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.12.2019 20:31
![question](/tpl/images/cats/en.png)