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Trava [24]
3 years ago
10

State one medical use of radioactive isotopes

Chemistry
1 answer:
Korvikt [17]3 years ago
5 0

Answer:

Radioactive isotopes are widely used in medical field

Explanation:

Radioactive isotopes are widely used in medical field.

Radiations emitted by radioactive isotopes or used to kill the microorganism in food and to increase the shelf life of food.

Cobalt-60 is used to treat the cancer.

Iodine-131 is used to check the activity of thyroid.

Technetium-99 also used for the thyroid.

Phosphorus-32 is used to detect the cancer specially in skin and eyes.

Xenon-133 is used for lungs imaging.

Au-198 is used to diagnose the liver disease.

Co-60 is used as gamma ray irradiation of tumor.

In industry radioactive isotopes are used to measure the thickness of materials.

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Where does lava in volcanoes come from?
Stella [2.4K]
Magma can push through holes or cracks in the crust of the volcano, causing a volcanic eruption. Which is when magma flows or erupts onto earth's surface, which is what you call lava (whenever it goes onto the earths surface).
4 0
3 years ago
A student makes a sandwich with several layers of bread and cheese. Then the student cuts the sandwich and says it models how a
Ksenya-84 [330]

Answer:

Rock layer and sandwich layer is almost the same.

Why are rock layers are like sandwiches?

This geologic structure is called an anticline. Now gently bend your sandwich so that the layers are bowed downwards, thus creating a syncline. The presence of anticlines and synclines indicate strong forces that often form mountain ranges.

7 0
3 years ago
Which of the following groups in the periodic
Dimas [21]

Elements of Group 1 and  group 2  in the periodic table contain elements so reactive that they are  never found in the free state

<u>Explanation</u>:

The metals in group 1 of  periodic table consisting of 'alkali metals' which include lithium, potassium, sodium, rubidium, Francium and caesium. They are highly reactive because they have low ionisation energy and larger radius. The group 2 metals consist of 'alkaline earth metals' which include calcium, strontium, barium, beryllium, radium and magnesium.  These alkaline earth metal have +2 oxidation number, hence are highly reactive.

These both group metals are mostly reactive and so are never found in a free state. When they are exposed to air they would immediately react with oxygen. Hence, are stored in oils to avoid oxidation.

7 0
3 years ago
You are doing a peer review of a science experiment. The paper claims that an increase of pressure requires a greater addition o
Rus_ich [418]

This is true because as thermal energy increases, molecules move faster and liquids are turned into gas.

States of matter is determined by the amount of energy possessed by the particles. Particles of a solid has the least amount of energy, liquid particles have more energy than solid particles while gas particles possess the highest amount of energy.

To increase the pressure of a substance, greater thermal energy is added to the substance by heating it up. This heat causes the molecules of the liquid to become more energetic and move faster .

As this occurs, intermolecular forces between the substance is broken as the liquid is converted to gas. The pressure. The energetic gas particles collide faster with the walls of the container thereby increasing the pressure.

Learn more: brainly.com/question/18124975

3 0
2 years ago
After a polypeptide chain has been synthesized, certain amino acids in the peptide may become modified. For each modified amino
AnnZ [28]

Answer:

The modification that yields the first amino acid depicted is lysine

Explanation:

Lysine being an amino acid used in preparation of various medicine. It is used to prevent cold as well as sore throat, which is found to be caused by the herpes simplex labialis. It can be used orally or can be directly applied over the skin. various foods have lysine in it and they are meat, cheese, certain fishes, eggs, soybeans, spirulina and also fenugreek seed. They are the building block for the protein particles.

5 0
3 years ago
Read 2 more answers
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