![subject](/tpl/images/cats/himiya.png)
Chemistry, 19.07.2019 18:00 faithrawlins14
An atom with an atomic mass of 89 and an atomic number of 39 has how many neutrons
![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 20:50
Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread
Answers: 2
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 08:30
For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:00
George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.
Answers: 1
You know the right answer?
An atom with an atomic mass of 89 and an atomic number of 39 has how many neutrons...
Questions
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2020 03:05
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2020 03:05
![question](/tpl/images/cats/en.png)
English, 11.03.2020 03:05
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2020 03:05
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.03.2020 03:05
![question](/tpl/images/cats/istoriya.png)
History, 11.03.2020 03:05
![question](/tpl/images/cats/biologiya.png)
Biology, 11.03.2020 03:05
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)