![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 10.07.2019 04:30, Haddixhouse8948
From the periodic table, the number of valence electrons for most of the main group elements may be determined directly from the from the periodic table, the number of valence electrons for most of the main group elements may be determined directly from the atomic number. group number. period number. nucleon number.
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 13:00, 20jhuffman
Asolution at 25 degrees celsius is 1.0 × 10–5 m h3o+. what is the concentration of oh– in this solution?
Answers: 1
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30, jkjjoijjm5928
Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 13:30, Catracho3619
32p and 31p are two isotopes of phosphorus. compare the number if subatomic particles that are present in the atoms of these isotopes.
Answers: 1
Do you know the correct answer?
From the periodic table, the number of valence electrons for most of the main group elements may be...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 07.04.2021 01:30
![Konu](/tpl/images/cats/en.png)
English, 07.04.2021 01:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 07.04.2021 01:30
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/User.png)
Engineering, 07.04.2021 01:30
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 07.04.2021 01:30
![Konu](/tpl/images/cats/mat.png)
Mathematics, 07.04.2021 01:30