2 years ago

if a sample contains 20g of an isotope that has a half life of 1000 years how much will be left after 2000 years

2 answers:

8 0

5 grams will be left. After the first 1000 years, there will be half of 20 left, or 10. After 2000 years, half of 10 will remain, which is 5.

Vladimir [108]2 years ago

7 0

Answer:

after 1000 we will have 20/2 which is 10

after 2000 we will have 10/2 which is 5

You might be interested in

Help guys pls !!!!!!?

julsineya [31]

Answer:

False

Explanation:

Please Brainliest

6 0

2 years ago

Read 2 more answers

The bones in the front leg of an iguana and in the wing of a bat are evolutionary derived from their common ancestor. Based on t

nikitadnepr [17]

They were most likely related in the past

6 0

2 years ago

What is a characteristic of all species? O A. They breed with other species. B. They use asexual reproduction to increase their

Grace [21]

Answer:

B it think

were did you get this question?

7 0

3 years ago

What molecules produce by the light reactions are used by the Calvin cycles

babymother [125]

Explanation:

The reactions of the Calvin cycle add carbon (from carbon dioxide in the atmosphere) to a simple five-carbon molecule called RuBP. These reactions use chemical energy from NADPH and ATP that were produced in the light reactions. The final product of the Calvin cycle is glucose.

3 0

3 years ago

Explain the stages involved in testing a piece of onion for reducing sugar

Gre4nikov [31]

Explanation:

<u>Reducing sugars are simple sugars with the ability to reduce copper (II) ions to copper (I). All monosaccharides (fructose, glucose, galactose) are reducing sugars as are some disaccharides, such as lactose and maltose. Simple sugars are all carbohydrates, and are used by the body as a source of energy.</u>

$\huge\bold\red {Befikra❥☘⍣❦}$

3 0

2 years ago