![subject](/tpl/images/cats/himiya.png)
![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, 21.06.2019 14:30
Which statement justifies that phosphine (ph3) is a polar molecule?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 15:00
An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
What is the oxidation state of each individual carbon atom in c2o42−?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?
Answers: 3
You know the right answer?
Which element has 7 valence electrons and 3 electron shells?...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 26.12.2019 19:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 26.12.2019 19:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 26.12.2019 19:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/nemec.png)
German, 26.12.2019 19:31
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.12.2019 19:31
![question](/tpl/images/cats/en.png)
English, 26.12.2019 19:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.12.2019 19:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.12.2019 19:31
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 26.12.2019 19:31
![question](/tpl/images/cats/biologiya.png)
Biology, 26.12.2019 19:31