![subject](/tpl/images/cats/himiya.png)
Chemistry, 15.07.2019 06:30 madgiemiller2309
Which of the following pairs of elements could possibly be found in the same group on the periodic table? (2 points) a forms a 2+ ion; b is in group 2. a is a noble gas; b forms a 1− ion. a has 3 valence electrons; b is a halogen in group 17. a forms a 2− ion; b is a metal in group 2.
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 22:50
Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 08:30
What are the first three quantum numbers for the electrons located in subshell 2s?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:40
Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom
Answers: 1
You know the right answer?
Which of the following pairs of elements could possibly be found in the same group on the periodic t...
Questions
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.01.2021 22:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.01.2021 22:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.01.2021 22:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.01.2021 22:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.01.2021 22:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 20.01.2021 22:00
![question](/tpl/images/cats/health.png)
Health, 20.01.2021 22:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.01.2021 22:00
![question](/tpl/images/cats/en.png)
English, 20.01.2021 22:00
![question](/tpl/images/cats/mat.png)
Mathematics, 20.01.2021 22:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.01.2021 22:00