![subject](/tpl/images/cats/himiya.png)
Chemistry, 28.10.2020 21:10 YourFinalsAreHere
1. The modern periodic table is ordered by which of the following factors?
A. The number of electrons
B. The number of protons
C. The atomic mass
D. The elements
![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, 21.06.2019 23:00
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 00:10
Which of the following best describes the formation of plasma?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30
Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
You know the right answer?
1. The modern periodic table is ordered by which of the following factors?
A. The number of electro...
Questions
![question](/tpl/images/cats/himiya.png)
Chemistry, 28.09.2019 22:30
![question](/tpl/images/cats/mat.png)
Mathematics, 28.09.2019 22:30
![question](/tpl/images/cats/en.png)
English, 28.09.2019 22:30
![question](/tpl/images/cats/biologiya.png)
Biology, 28.09.2019 22:30
![question](/tpl/images/cats/istoriya.png)
History, 28.09.2019 22:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 28.09.2019 22:30
![question](/tpl/images/cats/istoriya.png)
History, 28.09.2019 22:30
![question](/tpl/images/cats/health.png)
Health, 28.09.2019 22:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 28.09.2019 22:30
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.09.2019 22:30
![question](/tpl/images/cats/himiya.png)
Chemistry, 28.09.2019 22:30
![question](/tpl/images/cats/biologiya.png)
Biology, 28.09.2019 22:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 28.09.2019 22:30
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)