![subject](/tpl/images/cats/himiya.png)
Chemistry, 09.02.2021 20:40 isabella20142002
18. A radioactive element has a half-life of 18,000 years. There was 400 grams of the element
originally. There is now 12.5 grams of the radioactive element left. What is the age of the
sample?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 07:40
The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
Answers: 3
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:00
This statement about matter and its behavior is best classified as a
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:00
How is the way a mixture is combined different from how a compound is combined?
Answers: 3
You know the right answer?
18. A radioactive element has a half-life of 18,000 years. There was 400 grams of the element
origi...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2021 06:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2021 06:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2021 06:40
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2021 06:40
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 11.04.2021 06:40
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2021 06:40
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 11.04.2021 06:40
![question](/tpl/images/cats/biologiya.png)
Biology, 11.04.2021 06:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.04.2021 06:40