![subject](/tpl/images/cats/himiya.png)
![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 21:00
How many neutrons does an element have if its atomic number is 50 and its mass number is 166
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:00
What is the number of neutrons in an atom with atomic mass of 35
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:30
When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
Answers: 1
You know the right answer?
How many layers of paint are there on the typical manufactured vehicle?...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 31.03.2020 23:55
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 31.03.2020 23:55
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 31.03.2020 23:55
![question](/tpl/images/cats/mat.png)
Mathematics, 31.03.2020 23:56
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 31.03.2020 23:56
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 31.03.2020 23:56
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 31.03.2020 23:56
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 31.03.2020 23:56
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 31.03.2020 23:56