Isotopes are:
A. only formed in laboratories.
B. found in nature.
C. are o...
![subject](/tpl/images/cats/himiya.png)
Chemistry, 26.04.2021 01:00 chayaharroch03
Isotopes are:
A. only formed in laboratories.
B. found in nature.
C. are only theoretical.
D. found in the nuclear reactions instars but not on Earth.β
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:20
Why does his teacher ask him to balance the equation by including the correct coefficient
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:50
Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.04.2021 19:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.04.2021 19:40
![question](/tpl/images/cats/istoriya.png)
History, 05.04.2021 19:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 05.04.2021 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 05.04.2021 19:40
![question](/tpl/images/cats/mat.png)
Mathematics, 05.04.2021 19:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.04.2021 19:40
![question](/tpl/images/cats/himiya.png)
Chemistry, 05.04.2021 19:40
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 05.04.2021 19:40
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 05.04.2021 19:40
![question](/tpl/images/cats/istoriya.png)
History, 05.04.2021 19:40
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 05.04.2021 19:40