The lightest radioactive element is (1) deuterium (2) polonium (3) tritium (4) uranium

The lightest radioactive element is (1) deuterium (2) polonium (3) tritium (4) uranium
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tritium
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The lightest radioactive element is - (1) deuterium (2) polonium (3) technetium (4) uranium

Description : The lightest radioactive element is - (1) deuterium (2) polonium (3) technetium (4) uranium

Last Answer : (3) Technetium Explanation: Tritium is a radioactive isotope of hydrogen. It is the lightest radioactive element.

The radioactive element used in heart pacemakers is – (1) Uranium (2) Deuterium (3) Plutonium (4) Radium

Description : The radioactive element used in heart pacemakers is – (1) Uranium (2) Deuterium (3) Plutonium (4) Radium

Last Answer : (1) Uranium Explanation: The actinides (or actinoids) are the chemical elements with atomic numbers between 90 and 109 inclusively. They occur between Groups 3 and 4 in Period 7 of the periodic table. ... scale, it is also used as a power source in smaller devices such as the heart pacemaker.

The source of enormous energy of sun is a)Fusion of hydrogen to form helium b)Fission of uranium c)Fusion of deuterium and tritium d)Fusion to tritium

Description : The source of enormous energy of sun is a)Fusion of hydrogen to form helium b)Fission of uranium c)Fusion of deuterium and tritium d)Fusion to tritium

Last Answer : The source of enormous energy of sun is a)Fusion of hydrogen to form helium b)Fission of uranium ... and tritium D. fission of tritium to form helium

Which one is radioactive in nature? (A) Helium (B) Deuterium (C) Heavy hydrogen (D) Tritium

Description : Which one is radioactive in nature? (A) Helium (B) Deuterium (C) Heavy hydrogen (D) Tritium

Last Answer : (D) Tritium

Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these

Description : Which one is the radioactive isotope of hydrogen? (A) Deuterium (B) Ortho-hydrogen (C) Tritium (D) None of these

Last Answer : (C) Tritium

Radioactive disintegration of uranium ultimately results in formation of (1) radium (2) thorium (3) polonium (4) lead

Description : Radioactive disintegration of uranium ultimately results in formation of (1) radium (2) thorium (3) polonium (4) lead 

Last Answer : lead

The heaviest naturally occurring element is: (1) Mercury (2) Polonium (3) Thorium (4) Uranium

Description : The heaviest naturally occurring element is: (1) Mercury (2) Polonium (3) Thorium (4) Uranium

Last Answer : Uranium

Heavy water is – (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide

Description : Heavy water is – (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide

Last Answer : (4) Deuterium oxide Explanation: Heavy water is deuterium oxide (2H2O). It is a form of water that contains a larger than normal amount of the hydrogen isotope deuterium (2H or D, also known as heavy ... 1 isotope (1H or H, also called protium) that makes up most of the hydrogen in normal water.

Heavy water is (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide

Description : Heavy water is (1) Deuterium (2) Rain water (3) Tritium oxide (4) Deuterium oxide

Last Answer : Deuterium oxide

The element which is commonly used in nuclear for producing electricity by nuclear fission is – (1) Radium (2) Plutonium (3) Uranium (4) Deuterium

Description : The element which is commonly used in nuclear for producing electricity by nuclear fission is – (1) Radium (2) Plutonium (3) Uranium (4) Deuterium

Last Answer : (3) Uranium Explanation: Uranium is used to produce a chemical and nuclear reaction which makes a lot of heat.

The element which is commonly used in nuclear for producing electricity by nuclear fission is (1) Radium (2) Plutonium (3) Uranium (4) Deuterium

Description : The element which is commonly used in nuclear for producing electricity by nuclear fission is (1) Radium (2) Plutonium (3) Uranium (4) Deuterium

Last Answer : (3) Uranium It is the most common element used to get nuclear energy Hope this will you

The radio-active element used in heart pacemakers is (1) Uranium (2) Deuterium (3) Plutonium (4) Radium

Description : The radio-active element used in heart pacemakers is (1) Uranium (2) Deuterium (3) Plutonium (4) Radium

Last Answer : Uranium

Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control nuclear fusion reaction (B) The fuel required (i.e., deuterium & tritium) is scarce (C) It is difficult to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Description : Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control nuclear fusion reaction (B) The fuel required (i.e., deuterium & tritium) is ... to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Last Answer : (A) It is difficult to control nuclear fusion reaction

Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control fusion reaction (B) The fuel required (e.g. deuterium and tritium) is scarce (C) It is difficult to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Description : Commercial power generation from fusion reactor is not yet possible, because (A) It is difficult to control fusion reaction (B) The fuel required (e.g. deuterium and tritium) is scarce ... to initiate fusion reaction (D) Quantity of fuel required for initiating fusion reaction is prohibitively high

Last Answer : (A) It is difficult to control fusion reaction

Both tritium and deuterium have the same number of (A) Neutrons (B) Electrons (C) Protons (D) Nucleons

Description : Both tritium and deuterium have the same number of (A) Neutrons (B) Electrons (C) Protons (D) Nucleons

Last Answer : (A) Neutrons

The decay product of tritium (a beta emitter) is (A) Lithium (B) Helium (C) Deuterium (D) Hydrogen

Description : The decay product of tritium (a beta emitter) is (A) Lithium (B) Helium (C) Deuterium (D) Hydrogen

Last Answer : (B) Helium

Which of the following is a fuel for a fusion reactor (thermonuclear reactor)? (A) Deuterium and tritium (B) U-233 (C) Thorium (D) Heavy water

Description : Which of the following is a fuel for a fusion reactor (thermonuclear reactor)? (A) Deuterium and tritium (B) U-233 (C) Thorium (D) Heavy water

Last Answer : (A) Deuterium and tritium

Hydrogen bomb employs the nuclear fusion of (A) Hydrogen (B) Deuterium (C) Tritium (D) Helium

Description : Hydrogen bomb employs the nuclear fusion of (A) Hydrogen (B) Deuterium (C) Tritium (D) Helium

Last Answer : (B) Deuterium

Which of the following elements does not exhibit natural radioactivity? (1) Uranium (2) Thorium (3) Aluminium (4) Polonium

Description : Which of the following elements does not exhibit natural radioactivity? (1) Uranium (2) Thorium (3) Aluminium (4) Polonium

Last Answer : (3) Aluminium Explanation: Uranium, Thorium and Polonium are radioactive elements which do not have stable naturally occur-ring isotope. Aluminium is a silvery white, soft, ductile metal. It is the third ... element (after oxygen and silicon), and the most abundant metal in the Earth's crust.

Uranium eventually decays into a stable isotope of — (1) Radium (2) Thorium (3) Lead (4) Polonium

Description : Uranium eventually decays into a stable isotope of — (1) Radium (2) Thorium (3) Lead (4) Polonium

Last Answer : (3) Lead Explanation: Natural uranium consists of three major isotopes: U238 (99.28% natural abundance), U235 (0.71%), and U234 (0.0054%). All three are radioactive, emitting alpha particles, with ... has 18 members, all of which eventually decay into Pb206, by a variety of different decay paths.

Which of the following elements does not exhibit natural radioactivity ? (1) Uranium (2) Thorium (3) Aluminium (4) Polonium

Description : Which of the following elements does not exhibit natural radioactivity ? (1) Uranium (2) Thorium (3) Aluminium (4) Polonium

Last Answer : Aluminium

Uranium eventually decays into a stable isotope of – (1) Radium (2) Thorium (3) Lead (4) Polonium

Description : Uranium eventually decays into a stable isotope of – (1) Radium (2) Thorium (3) Lead (4) Polonium

Last Answer : Lead

Who was awarded a Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium?

Description : Who was awarded a Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium?

Last Answer : ANSWER: D -- MARIE CURIE

Which of the following scientists was awarded the Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium? w) John Dalton x) Dmitri Mendeleev y) Emil Fischer z) Marie Curie

Description : Which of the following scientists was awarded the Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium? w) John Dalton x) Dmitri Mendeleev y) Emil Fischer z) Marie Curie

Last Answer : ANSWER: Z -- MARIE CURIE

Main source of __________ is monazite sand. (A) Uranium (B) Polonium (C) Hafnium (D) Thorium

Description : Main source of __________ is monazite sand. (A) Uranium (B) Polonium (C) Hafnium (D) Thorium

Last Answer : (D) Thorium

What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ? (1) Radium dating (2) Uranium dating (3) Carbon dating (4) Deuterium dating

Description : What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ? (1) Radium dating (2) Uranium dating (3) Carbon dating (4) Deuterium dating

Last Answer : Carbon dating

Which of the following is a radioactive element? (1) Cobalt (2) Uranium (3) Argon (4) Chromium

Description : Which of the following is a radioactive element? (1) Cobalt (2) Uranium (3) Argon (4) Chromium

Last Answer : (2) Uranium Explanation: Uranium (U) is a naturally occurring radioactive element. Its nucleus is unstable, so the element is in a constant state of decay, seeking a more stable arrangement ... fission reaction. In fact, uranium was the element that made the discovery of radioactivity possible.

Which one of the following is not a radioactive element? (1) Uranium (2) Thorium (3) Radium (4) Cadmium

Description : Which one of the following is not a radioactive element? (1) Uranium (2) Thorium (3) Radium (4) Cadmium

Last Answer : (4) Cadmium Explanation: Radioactivity refers to the particles which are emitted from nuclei as a result of nuclear instability. Because the nucleus experiences the intense conflict between the two ... show radioactive properties while the fourth one does not show any kind of radioactive properties.

Which of the following is a radioactive element? (1) Cobalt (2) Uranium (3) Argon (4) Chromium

Description : Which of the following is a radioactive element? (1) Cobalt (2) Uranium (3) Argon (4) Chromium

Last Answer : Uranium

Why do tobacco companies use fertilizer that breaks down into radioactive polonium and lead?

Description : Why do tobacco companies use fertilizer that breaks down into radioactive polonium and lead?

Last Answer : [at]Chris. Could you provide more detail into your question (i.e. some links to reputable sources)? Where did you get this information and how is it verified? I think people would have an easier time answering if they had more background.

Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons

Description : Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons

Last Answer : (C) Deuterium atom has one proton and two neutrons in its nucleus

Hydrogen differs from deuterium in __________ properties. (A) Radioactive (B) Physical (C) Chemical (D) All (A), (B) and (C

Description : Hydrogen differs from deuterium in __________ properties. (A) Radioactive (B) Physical (C) Chemical (D) All (A), (B) and (C

Last Answer : (B) Physical

Which of the following elements is not radioactive? (1) Radium (2) Plutonium (3) Zirconium (4) Uranium

Description : Which of the following elements is not radioactive? (1) Radium (2) Plutonium (3) Zirconium (4) Uranium

Last Answer : (3) Zirconium Explanation: Zireonium is a lustrous, greywhite, strong transition metal that resembles titanium. Zirconium is mainly used as a refractory and pacifier, although it is used in small amounts as an alloying agent for its strong resistance to corrosion.

Lead-206 is the final product of the radioactive decay series named the: w) thorium series x) actinium series y) uranium series z) neptunium series

Description : Lead-206 is the final product of the radioactive decay series named the: w) thorium series x) actinium series y) uranium series z) neptunium series

Last Answer : ANSWER: Y -- URANIUM SERIES 

Which of the following elements is non-radioactive ? (1) Uranium (2) Thorium (3) Plutonium (4) Zirconium

Description : Which of the following elements is non-radioactive ? (1) Uranium (2) Thorium (3) Plutonium (4) Zirconium

Last Answer : Zirconium

(2) it is lighter than air Explanation: Helium is the second lightest element and is the second most abundant element in the observable universe, being present at about 24% of the total elemental mass, which is more than 12 times the mass of all the heavier elements combined. A well-known but minor use is as a lifting gas in balloons and airships

Description : (2) it is lighter than air Explanation: Helium is the second lightest element and is the second most abundant element in the observable universe, being present at about 24% of the total elemental mass ... elements combined. A well-known but minor use is as a lifting gas in balloons and airships

Last Answer : Ammonial is a mixture of – (1) aluminium powder and ammonium nitrate (2) aluminium powder and ammonium chloride (3) aluminium powder and ammonium sulphate (4) aluminium powder and potassium nitrate

Into which of the following metals does radioactive Uranium decay when it loses all its radioactivity? -General Knowledge

Description : Into which of the following metals does radioactive Uranium decay when it loses all its radioactivity? -General Knowledge

Last Answer : Lead is the metal.

Radioactive distintegration of uranium ultimately results in which formation? -Do You Know?

Description : Radioactive distintegration of uranium ultimately results in which formation? -Do You Know?

Last Answer : answer:

There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and neptunium `(4n + 1)` series. Neptunium serie

Description : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and neptunium `(4n + 1)` series. Neptunium serie

Last Answer : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and ... (86)^(222)Rn` D. `._(83)^(207)Bi`

There are four radioactive decay series called thorium (4n), uranium (4n + 2), actinium (4n + 3) and neptunium (4n + 1) series. Neptunium series is ar

Description : There are four radioactive decay series called thorium (4n), uranium (4n + 2), actinium (4n + 3) and neptunium (4n + 1) series. Neptunium series is ar

Last Answer : There are four radioactive decay series called thorium (4n), uranium (4n + 2), actinium (4n + 3) and neptunium ( ... (92)^(235)U` and `._(82)^(208)Pb`

There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and neptunium `(4n + 1)` series. Neptunium serie

Description : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and neptunium `(4n + 1)` series. Neptunium serie

Last Answer : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and ... (208)Pb` D. `.^(206)Pb, .^(208)Bi`

There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and neptunium `(4n + 1)` series. Neptunium serie

Description : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and neptunium `(4n + 1)` series. Neptunium serie

Last Answer : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and ... (90)^(212)Th` D. `._(84)^(212)Po`

There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and neptunium `(4n + 1)` series. Neptunium serie

Description : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n + 3)` and neptunium `(4n + 1)` series. Neptunium serie

Last Answer : There are four radioactive decay series called thorium `(4n)`, uranium `(4n + 2)` actinium `(4n ... A. actinium B. radium C. uranium D. polonium

Starting from radium, the radioactive disintegration process terminates when the following is obtained a)radon b)lead c)uranium d)thorium

Description : Starting from radium, the radioactive disintegration process terminates when the following is obtained a)radon b)lead c)uranium d)thorium

Last Answer : Starting from radium, the radioactive disintegration process terminates when the following is obtained a)radon b) ... . radon C. radium A D. radium B

The radioactive pollution may result from: 1. medical waste 2. coal ash 3. production of nuclear arsenal 4. mining of uranium 5. decommissioning of nuclear weapons The correct causes are: (a) 1, 3 and 4 only (b) 1, 3, 4 and 5 only (c) 2, 3, 4 and 5 only (d) 1, 2, 3, 4 and 5

Description : The radioactive pollution may result from: 1. medical waste 2. coal ash 3. production of nuclear arsenal 4. mining of uranium 5. decommissioning of nuclear weapons The correct causes are: (a) 1, 3 and 4 only (b) 1, 3, 4 and 5 only (c) 2, 3, 4 and 5 only (d) 1, 2, 3, 4 and 5

Last Answer : Ans:(b)

Neutrons are obtained by (a) Bombardment of radium with aparticles (b) Bombardment of beryllium with b-particles (c) Radioactive disintegration of uranium (d) None of the above

Description : Neutrons are obtained by (a) Bombardment of radium with aparticles (b) Bombardment of beryllium with b-particles (c) Radioactive disintegration of uranium (d) None of the above

Last Answer : Ans:(c)

Radioactive distintegration of uranium ultimately results in which formation?

Description : Radioactive distintegration of uranium ultimately results in which formation?

Last Answer : Lead

Radioactive isotope of Uranium used in Nuclear Bomb is ? A.92 U 235 (Answer) B.92 U 234 C. 92 U 233 D. 92 U 238

Description : Radioactive isotope of Uranium used in Nuclear Bomb is ? A.92 U 235 (Answer) B.92 U 234 C. 92 U 233 D. 92 U 238

Last Answer : A.92 U 235 (Answer)

What is the name of the lightest element ?

Description : What is the name of the lightest element ?

Last Answer : The lightest element is called hydrogen.

The lightest element known is?

Description : The lightest element known is?

Last Answer : Hydrogen