![subject](/tpl/images/cats/himiya.png)
Chemistry, 14.07.2019 03:00 jetblackcap
How many neutrons does an element have if its atomic number is 60 and its mass number is 157? your answe
![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 04:30
Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.
Answers: 1
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00
How many moles of oxygen gas are produced from the decomposition of six moles of potassium
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:20
The organs inside the body and how they function together
Answers: 3
You know the right answer?
How many neutrons does an element have if its atomic number is 60 and its mass number is 157? your...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.01.2021 23:00
![question](/tpl/images/cats/en.png)
English, 11.01.2021 23:00
![question](/tpl/images/cats/en.png)
English, 11.01.2021 23:00
![question](/tpl/images/cats/istoriya.png)
History, 11.01.2021 23:00
![question](/tpl/images/cats/istoriya.png)
History, 11.01.2021 23:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 11.01.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 23:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 11.01.2021 23:00
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 23:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.01.2021 23:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 11.01.2021 23:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 11.01.2021 23:00