![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 15.12.2021 21:50, nkidane2802
If beryllium has a mass number of 9 and an atomic number of 4 Calculate the number of protons, neutrons, and electrons
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:20, merrickrittany
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
Answers: 1
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:30, kate3887
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
![image](/tpl/images/cats/himiya.png)
Do you know the correct answer?
If beryllium has a mass number of 9 and an atomic number of 4
Calculate the number of protons, neu...
Questions in other subjects:
![Konu](/tpl/images/cats/istoriya.png)
History, 20.09.2020 22:01
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/ekonomika.png)
![Konu](/tpl/images/cats/mkx.png)
![Konu](/tpl/images/cats/User.png)
![Konu](/tpl/images/cats/en.png)
English, 20.09.2020 22:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 22:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 22:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 22:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 20.09.2020 22:01