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Only 1/32 of the original radioactive material will remain.

(½)5 = 1/32

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That shows the amount of parent material of a radioactive element that is left after four half-lives if the original parent material had a mass of 100 g.?

After four half-lives, the amount of parent material remaining can be calculated using the formula ( \text{Remaining mass} = \text{Initial mass} \times \left(\frac{1}{2}\right)^n ), where ( n ) is the number of half-lives. For an initial mass of 100 g, after four half-lives, the calculation is ( 100 , \text{g} \times \left(\frac{1}{2}\right)^4 = 100 , \text{g} \times \frac{1}{16} = 6.25 , \text{g} ). Thus, 6.25 g of the parent material remains after four half-lives.


Fossilized waste material left by an animal?

Fossilized waste material left by an animal is known as coprolite. Coprolites provide valuable information about the diet and behavior of ancient animals, allowing scientists to learn more about prehistoric ecosystems. Studying coprolites can also give insights into the health and physiology of extinct species.


What is the substance left after a flame test?

The substance left after a flame test is typically a residue of the material that was burned. This residue can vary depending on the original substance and may contain remnants of unburned material, ash, or other byproducts of combustion.


What is the answer of the soft residue that remains after combustion?

The soft residue that remains after combustion is called ash. Ash is the inorganic material left behind when organic material (such as wood or paper) is burned.


Will corks get bigger if left in water?

No, corks will not get bigger if left in water. Cork is a natural material that is resistant to water absorption, so it will not expand in size when submerged in water.

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That shows the amount of parent material of a radioactive element that is left after four half-lives if the original parent material had a mass of 100 g.?

After four half-lives, the amount of parent material remaining can be calculated using the formula ( \text{Remaining mass} = \text{Initial mass} \times \left(\frac{1}{2}\right)^n ), where ( n ) is the number of half-lives. For an initial mass of 100 g, after four half-lives, the calculation is ( 100 , \text{g} \times \left(\frac{1}{2}\right)^4 = 100 , \text{g} \times \frac{1}{16} = 6.25 , \text{g} ). Thus, 6.25 g of the parent material remains after four half-lives.


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