#1-3 and show work please
...
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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)
Chemistry, 22.06.2019 23:30
The ammonia molecule in the diagram has the observed bond orientation because
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:00
Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 08:40
Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
History, 27.09.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.09.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.09.2019 09:10
![question](/tpl/images/cats/pravo.png)
Law, 27.09.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.09.2019 09:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 27.09.2019 09:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 27.09.2019 09:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 27.09.2019 09:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 27.09.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.09.2019 09:10
![question](/tpl/images/cats/mat.png)
Mathematics, 27.09.2019 09:10
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)