![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 05:00
1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false
Answers: 3
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 06:30
Particle model to predict what will happen if a sharp object creates a hole in the soccer ball
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30
A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml
Answers: 1
You know the right answer?
1. How many centimeters are in 13.4 inches?...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 06.09.2019 07:10
![question](/tpl/images/cats/himiya.png)
Chemistry, 06.09.2019 07:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 06.09.2019 07:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 06.09.2019 07:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.09.2019 07:10
![question](/tpl/images/cats/fizika.png)
Physics, 06.09.2019 07:10
![question](/tpl/images/cats/biologiya.png)
Biology, 06.09.2019 07:10
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 06.09.2019 07:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 06.09.2019 07:10
![question](/tpl/images/cats/biologiya.png)
Biology, 06.09.2019 07:10
![question](/tpl/images/cats/istoriya.png)
History, 06.09.2019 07:10
![question](/tpl/images/cats/mat.png)
Mathematics, 06.09.2019 07:10