![subject](/tpl/images/cats/himiya.png)
Chemistry, 07.12.2020 20:00 emmilicious
What do the following atoms have in common?
Fe2+, Fe3+, Fe-54, Fe-59
A. radioactivity
B. atomic mass
C. atomic number
O D. number of neutrons
E. number of electrons
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 13:10
Which equation represents a fission reaction? o "9n+h—150 o 235u + n—190cs + rb+25 o be + he—1c + in o 28 np —> 2390 pute
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 20:00
Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 09:00
Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:10
|using the periodic tablewarm-upuse the periodic table in the tools bar to answer the following questions.what elemental classification does oxygen belongto? done
Answers: 3
You know the right answer?
What do the following atoms have in common?
Fe2+, Fe3+, Fe-54, Fe-59
A. radioactivity
B...
A. radioactivity
B...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 13.06.2020 21:57
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 13.06.2020 21:57
![question](/tpl/images/cats/en.png)
English, 13.06.2020 21:57
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.06.2020 21:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.06.2020 21:57
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.06.2020 21:57
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)