Give any two uses of isotopes. -Biology

Give any two uses of isotopes. -Biology
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Radioactive isotopes have many useful applications. In medicine, for example, cobalt-60 is extensively employed as a radiation source to arrest the development of cancer. Other radioactive isotopes are used as tracers for diagnostic purposes as well as in research on metabolic processes.
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Define Isotopes. Give two applications of carbon isotopes.

Description : Define Isotopes. Give two applications of carbon isotopes. 

Last Answer : Isotopes: The different atoms of the same elements having same atomic number but different atomic mass number are called isotopes.  Applications of Carbon isotopes :   1. C 12 being most ... is used to determine the age of carbon containing materials which are up to 60,000 years old.

Defi ne isotopes and isobars and also give examples. -Science

Description : Defi ne isotopes and isobars and also give examples. -Science

Last Answer : So, we can say that isobars are those elements which have a different atomic number but the same mass number. ... The example of two Isotopes and Isobars is iron and nickel. Both have the same mass number which is 58 whereas the atomic number of iron is 26, and the atomic number of nickel is 28.

The half`-` life periods of four isotopes are give below `:` `(i) 7.6 years` , ` ii. 4000 years` `iii. 6000 years`,`iv. 3.2xx10^(5) years` Which of th

Description : The half`-` life periods of four isotopes are give below `:` `(i) 7.6 years` , ` ii. 4000 years` `iii. 6000 years`,`iv. 3.2xx10^(5) years` Which of th

Last Answer : The half`-` life periods of four isotopes are give below `:` `(i) 7.6 years` , ` ii. 4000 years` `iii. ... is most stable ? A. iv B. iii C. ii D. i

If the heaviest isotope was more abundant and the other two isotopes were less abundant what would happen to the atomic weight of beanium?

Description : If the heaviest isotope was more abundant and the other two isotopes were less abundant what would happen to the atomic weight of beanium?

Last Answer : What is the answer ?

If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be _____. A. Radioactive B. Stable C. Isotopes D. Isobars

Description : If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be _____. A. Radioactive B. Stable C. Isotopes D. Isobars

Last Answer : ANSWER: A

The correct statement is (a) Two Isotones always have the same atomic number (b) Two isotopes always have the same mass number (c) Two isobars always have the same atomic number (d) Two isobars always have the same mass number

Description : The correct statement is (a) Two Isotones always have the same atomic number (b) Two isotopes always have the same mass number (c) Two isobars always have the same atomic number (d) Two isobars always have the same mass number

Last Answer : Ans:(d)

There are two elements calcium (atomic number 20) and argon (atomic number 18) The mass number of both the elements is 40. They are therefore known as (a) isotones (b) isochores (c) isobars (d) isotopes

Description : There are two elements calcium (atomic number 20) and argon (atomic number 18) The mass number of both the elements is 40. They are therefore known as (a) isotones (b) isochores (c) isobars (d) isotopes

Last Answer : Ans:(c)

Hydrogen has __________ isotopes. (A) No (B) One (C) Two (D) Three

Description : Hydrogen has __________ isotopes. (A) No (B) One (C) Two (D) Three

Last Answer : (D) Three

When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as (A) Isomers (B) Isotopes (C) Isobars (D) Isotones

Description : When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as (A) Isomers (B) Isotopes (C) Isobars (D) Isotones

Last Answer : (D) Isotones

Pick out the wrong statement. (A) Isotopes have the same number of protons & electrons, but different number of neutrons (B) Hydrogen has two isotopes (C) In ordinary hydrogen, 1H1 and 1H2 are present in the ratio 6400:1 (D) None of these

Description : Pick out the wrong statement. (A) Isotopes have the same number of protons & electrons, but different number of neutrons (B) Hydrogen has two isotopes (C) In ordinary hydrogen, 1H1 and 1H2 are present in the ratio 6400:1 (D) None of these

Last Answer : (B) Hydrogen has two isotopes

Elements that exist in two or more distinctly different solid forms are known as: w) azeotropes x) allotropes y) isotopes z) isochores

Description : Elements that exist in two or more distinctly different solid forms are known as: w) azeotropes x) allotropes y) isotopes z) isochores

Last Answer :  ANSWER: X -- ALLOTROPES 

When natural uranium is mined, it contains three isotopes. Which TWO are important in the production of nuclear power?

Description : When natural uranium is mined, it contains three isotopes. Which TWO are important in the production of nuclear power? 

Last Answer : ANSWER: URANIUM-235 AND URANIUM-238

Do different isotopes of the same element bond differently?

Description : Do different isotopes of the same element bond differently?

Last Answer : answer:So, at the most basic level, the main difference is the energies of the bonds themselves, especially the vibrational energies. Since isotopes are either slightly larger or smaller than the ... for heavier atoms, though you naturally need better and better equipment to tell the difference.

What are isotopes ? -Chemistry

Description : What are isotopes ? -Chemistry

Last Answer : The elements which have same Atomic number but has Different in Mass number are istopes.

The isotopes of chlorine with mass number 35 and 37 exist in which ratio? -General Knowledge

Description : The isotopes of chlorine with mass number 35 and 37 exist in which ratio? -General Knowledge

Last Answer : The answer is '3 : 1'

The isotopes of chlorine with mass number 35 and 37 exist in which ratio? -General Knowledge

Description : The isotopes of chlorine with mass number 35 and 37 exist in which ratio? -General Knowledge

Last Answer : answer:

Define the term isotopes?

Description : Define the term isotopes?

Last Answer : Any of two or more forms of a chemical element, having the samenumber of protons in the nucleus, or the same atomic number, buthaving different numbers of neutrons in the nucleus, or differentatomic weights.

Why do isotopes form a specific element ?

Description : Why do isotopes form a specific element ?

Last Answer : An atom of the same element with different mass numbers is called isotope of that element. That is, isotopes of an element have the same number of protons , but different numbers of neutrons. ... number of each isotope of an element is different. Thus isotopes are variants of a specific element.

How many of the seven isotopes of hydrogen are found in nature ?

Description : How many of the seven isotopes of hydrogen are found in nature ?

Last Answer : There are three isotopes found in nature.

How many isotopes of hydrogen ?

Description : How many isotopes of hydrogen ?

Last Answer : There are seven isotopes of hydrogen.

How many isotopes of carbon ?

Description : How many isotopes of carbon ?

Last Answer : 3 isotopes of carbon.

What is the number of isotopes ?

Description : What is the number of isotopes ?

Last Answer : Currently the number of isotopes is over 1300.

Why isotopes are created ?

Last Answer : : Isotopes are formed due to differences in the number of protons.

What is the total number of isotopes ?

Last Answer : The number of natural and artificial isotopes exceeds 1300.

How many isotopes of carbon are there ?

Last Answer : Carbon has 3 isotopes

Isotopes used in photosynthesis were

Description : Isotopes used in photosynthesis were

Last Answer : Isotopes used in photosynthesis were A. PS -I B. PS-II C. Calvin cycle D. None-cyclic ETS

In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are isobars 2. A and D are isotopes 3. C and D ar

Description : In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are isobars 2. A and D are isotopes 3. C and D ar

Last Answer : In the decay process: `A overset(-alpha)(to) B overset(-alpHa)(to) C overset(-beta)(to)C` 1. A and B are ... 2 B. 2 and 3 C. 3 and 4 D. 1 and 4

A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The

Description : A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The

Last Answer : A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of ... 48 g B. 36 g C. 24 g D. 12 g

calculate the energy released in the nuclear fusion of isotopes of hydrogen (i) `._(1)^(2)H + ._(1)^(2)H rarr ._(2)^(3)He + ._(0)^(1)n` (ii) `._(1)^(2

Description : calculate the energy released in the nuclear fusion of isotopes of hydrogen (i) `._(1)^(2)H + ._(1)^(2)H rarr ._(2)^(3)He + ._(0)^(1)n` (ii) `._(1)^(2

Last Answer : calculate the energy released in the nuclear fusion of isotopes of hydrogen (i) `._(1)^(2)H + ._(1)^(2)H rarr . ... ",._(2)^(4)He = 4.00260,am u,):}`

What are isotopes?

Description : What are isotopes?

Last Answer : What are isotopes?

Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive ?

Description : Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive ?

Last Answer : Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive?

What are the numbers of protons and neutrons in these isotopes?

Description : What are the numbers of protons and neutrons in these isotopes?

Last Answer : Need answer

What particles are isotopes of each other?

Description : What particles are isotopes of each other?

Last Answer : 1/1 X and 3/1 X Isotopes have the same atomic number butdifferent atomic masses. The subscript indicates the atomic number,while the superscript indicates the atomic masses.

How many isotopes does arsenic have?

Description : How many isotopes does arsenic have?

Last Answer : There are about 33 isotopes of arsenic. Only one of them isstable, and that's 75 As 33. All the other isotopes aresynthetic.

How do the decimal places on the atomic masses of elements realate to isotopes?

Description : How do the decimal places on the atomic masses of elements realate to isotopes?

Last Answer : The Atomic Mass of an element is the weighted average of massesof the isotopes of the element, weighted in proportion to theirabundance.

How do the decimal places on the atomic masses of elements realate to isotopes?

Description : How do the decimal places on the atomic masses of elements realate to isotopes?

Last Answer : The Atomic Mass of an element is the weighted average of massesof the isotopes of the element, weighted in proportion to theirabundance.

How many protons and neutrons are in isotopes of magnesium?

Description : How many protons and neutrons are in isotopes of magnesium?

Last Answer : The number of protons (p+) in the nuclei of an element's atoms is the atomic number of the element. In this case, the atomic number of magnesium is 12. In a neutral atom, the number of electrons (e-) equals the number of ... .Magnesium-26: 26 - 12 = 14; An atom of Mg-26 has 12 p+, 12 e-, and 14 n0.

What is a way to determine age of fossil by comparing number of stable isotopes to number of unstable isotopes using half life?

Description : What is a way to determine age of fossil by comparing number of stable isotopes to number of unstable isotopes using half life?

Last Answer : Carbon decay or carbon dating

How are isotopes different from state atoms?

Description : How are isotopes different from state atoms?

Last Answer : The atoms of a chemical element can exist in different types. These are called isotopes. They have the same number of protons (and electrons), but different numbers of neutrons. Different isotopes of the same element have different masses.

Isotopes of Carbon have the same number of neutrons and different numbers of protons?

Description : Isotopes of Carbon have the same number of neutrons and different numbers of protons?

Last Answer : Same number of protons, different numbers of neutrons.

Isotopes of the same element differ in their number of _____.?

Description : Isotopes of the same element differ in their number of _____.?

Last Answer : neutrons

Isotopes of the same element differ in their number of _____.?

Description : Isotopes of the same element differ in their number of _____.?

Last Answer : neutrons

Thyroid function is determined by the use of isotopes: (A) Na24 (B) K42 (C) Ca45 (D) I131

Description : Thyroid function is determined by the use of isotopes: (A) Na24 (B) K42 (C) Ca45 (D) I131

Last Answer : Answer : D

Isotopes of the same element differ in the number of (a) Protons (b) Neutrons (c) Electrons (d) Positrons

Description : Isotopes of the same element differ in the number of (a) Protons (b) Neutrons (c) Electrons (d) Positrons

Last Answer : Ans:(a)

The elements 30Si14, 31P15 and 32516 are called (a) isotones (b) isobars (c) isotopes (d) isomers

Description : The elements 30Si14, 31P15 and 32516 are called (a) isotones (b) isobars (c) isotopes (d) isomers

Last Answer : Ans:(a)

The difference between isotopes of an element is due to the presence of a different number of (a) Protons (b) Neutrons (c) Electrons (d) Photons

Description : The difference between isotopes of an element is due to the presence of a different number of (a) Protons (b) Neutrons (c) Electrons (d) Photons

Last Answer : Ans:(b)

Isotopes of an element (a) Are physically identical to each other (b) Are chemically identical to each other (c) Are not identical to each other (d) Have the same mass numbers

Description : Isotopes of an element (a) Are physically identical to each other (b) Are chemically identical to each other (c) Are not identical to each other (d) Have the same mass numbers

Last Answer : Ans:(b)

All isotopes of the same element have (1) different atomic numbers and different atomic mass (2) different atomic numbers and the same atomic mass (3) the same atomic number but different atomic masses (4) the same atomic number and the atomic mass

Description : All isotopes of the same element have (1) different atomic numbers and different atomic mass (2) different atomic numbers and the same atomic mass (3) the same atomic number but different atomic masses (4) the same atomic number and the atomic mass

Last Answer : (3) the same atomic number but different atomic masses Explanation: Isotopes are forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei. So they have the same atomic number, but differ in relative atomic mass.

Isotopes differ in - (1) No. of electrons (2) No. of protons (3) No. of neutrons (4) Chemical reactivity

Description : Isotopes differ in - (1) No. of electrons (2) No. of protons (3) No. of neutrons (4) Chemical reactivity

Last Answer : (3) No. of neutrons Explanation: Isotopes have the same atomic number because they are the same element but have a different atomic mass because they contain a different number of neutrons.

Atoms having the same number of protons but different number of neutrons are called : (1) Isotopes (2) Cations (3) Higgs-boson (4) Anions .

Description : Atoms having the same number of protons but different number of neutrons are called : (1) Isotopes (2) Cations (3) Higgs-boson (4) Anions .

Last Answer : (1) Isotopes Explanation: Atoms that have the same number of protons but different numbers of neutrons are called isotopes. For example, carbon-12, carbon13 and carbon-14 are three isotopes of the element ... has 6 protons, so that the neutron numbers of these isotopes are 6, 7 and 8 respectively.