![subject](/tpl/images/cats/himiya.png)
Chemistry, 15.06.2021 18:50 madinaxoxo605
O-18, an isotope of oxygen, has a stable nucleus. O-19, another isotope of oxygen, does not have a stable nucleus. Based on this information, which statement is correct?
O-19 is radioactive; O-18 is not radioactive.
O-19 has a mass defect; O-18 does not have a mass defect.
O-19 has a nuclear binding energy; O-18 does not have a nuclear binding energy.
O-19 has more neutrons than protons; O-18 has equal numbers of neutrons and protons.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/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 22:30
Which feature do highland climates have that lower elevation areas do not?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:30
In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 08:00
Define dew point. i am writing this part to be able to ask the question
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 11:30
What is the main reason why some developing countries fear the increase the free trade policies around the world?
Answers: 2
You know the right answer?
O-18, an isotope of oxygen, has a stable nucleus. O-19, another isotope of oxygen, does not have a s...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55
![question](/tpl/images/cats/biologiya.png)
Biology, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 04.02.2020 07:55
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55
![question](/tpl/images/cats/mat.png)
Mathematics, 04.02.2020 07:55