![subject](/tpl/images/cats/himiya.png)
Chemistry, 29.10.2020 01:20 sweetcandy16gaming
An isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 12:00, Renabelle6350
372 ml is the volume of aluminum, density is 2.70 g/ml what is the mass in grams
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 16:00, devnnn44
Water is called the universal solvent because more substances dissolve in water than in any other chemical. this has to do with the polarity of each water molecule. the hydrogen side of each water (h2o) molecule carries a slight positive electric charge, while the oxygen side carries a slight negative electric charge.
Answers: 3
![image](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 21:30, ayshajabeenmeox5jrh
Both ionic and molecular compounds form three dimensional repeating patterns called
Answers: 1
You know the right answer?
An isotope of yttrium has 39 protons and 59 neutrons. What is the mass number of that isotope?...
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 03:50
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 03:50
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 03:50
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/health.png)
Health, 19.11.2020 03:50
![Konu](/tpl/images/cats/mat.png)
Mathematics, 19.11.2020 03:50
![Konu](/tpl/images/cats/en.png)