When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus `._(15)^(30)P` with the emission of …. Is formed

When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus `._(15)^(30)P` with the emission of …. Is formed
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When `._(13)^(27)Al` is bombarded whith `alpha`-particles, a radioactive isotope of phosphorus ` ... A. neutrons B. protons C. positrons D. electrons
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`._(13)Al^(27)` is a stable isotope. `._(13)Al^(29)` is expected to disintegrate by

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A nuclide of an alkaine earth metal undergoes radioactive deacy by emission of the `alpha-` particles in sucession. The group of the periodic tablle t

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The only, most stable nucleus formed by bombarding either `._(13)^(27)Al` by neutrons of `._(11)^(23)Na` by deutrons is

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In the disintegration of a radioactive element, `alpha` and `beta`-particles are evolved from the nucleus: `._(0)^(1)n to ._(1)^(1)H + ._(-1)^(0)e` +

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In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0)

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In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0)

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In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0)

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In the disintegration of a radioactive element, `alpha`- and `beta`-particles are evolved from the nucleus. `._(0)n^(1) rarr ._(1)H^(1) + ._(-1)e^(0)

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Pick out the wrong statement. (A) α-particle emission from a radioactive element makes it electrically negative (B) β-particle emission from a radioactive element makes it electrically positive (C) A radioactive element having a half life period of 20 years will completely disintegrated in 40 years (D) The disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration

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Let us consider emission of `alpha`particle from uranium nucleus: `._(92)^(235)U - ._(2)He^(4) to ._(90)Th^(231)` `{:(e = 92, e = 0, e = 90),(p = 92,

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Complete the following nuclear reactions: (i) `._(7_^(14)N + ._(2)^(4)He rarr ._(8)O + ._(1)^(1)H` (ii) `.^(24)Mg + ._(2)^(4)He rarr ._(13)^(27)Al +`

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Find the structure of the following atoms: (i) `._(8)^(16)O" "` (ii) `._(17)^(35)Cl" "` (iii) `._(13)^(27)Al`.

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A radioactive substance does not undergo any change (in mass or charge) during – (1) ganuna-emission (2) oxidation (3) alpha-emission (4) beta-emission

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In radioactive decay, the emission of an electron is characteristic of: w) Alpha decay x) Beta decay y) Gamma decay z) X-rays

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A radioactive substance does not undergo any change (in mass or charge) during (1) gamma-emission (2) oxidation (3) alpha-emission (4) beta-emission

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`._(92)U^(238)` emits `8 alpha-` particles and `6 beta-` particles. The `n//p` ratio in the product nucleus is a)`(62)/(41)` b)`(60)/(41)` c)`(61)/(42

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Assertion `(A): ` The emission of `alpha-` particles results in the formation of isodiapher of parent element. Reason `(R) : ` Isodiaphers have same i

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Successive emission of an `alpha`-particle and two `beta`-particles by an atom of an element result in the formation of its

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Emission of β-particles during radioactive decay of a substance is from (A) Innermost shell (B) Nucleus (C) Outermost shell (D) None of these

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In the transformation of `""_(92)""^(238)U` to `""_(92)""^(234)U`, if one emission is an `alpha` particle, what should be the other emission(s)? a)Two

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For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of (a) silver or platinum (b) platinum or zinc (c) silicon or platinum (d) gold or tungsten.

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For transfomation, micro-particles coated with DNA to be bombarded with gene gun are made up of (1) Gold or Tungsten (2) Silver or Platinum (3) Platinum or Zinc (4) Silicon or Platinum

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The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a GeigerMuller counter from its known quantity. If the half life period of aradioactive substance is one month, then(A) 3/4th of it will disintegrate in two months(B) It will completely disintegrate in two months(C) It will completely disintegrate in four months(D) 1/8th of it will remain intact at the end of four months

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Statement: Nuclide `._(13)^(30)Al` is less stable than `._(20)^(40) Ca` Explanation: Nuclides having odd number of protons and neutrons are general un

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The radioactive nuclide `._(90)^(234) Th` shows two successive `beta-` decay followed by one `alpha-` decay. The atomic number and mass number respect

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Can a silicon nucleus `(._(14)^(31)Si)` transfrom into a phosphorus nucleus `(._(15)^(31)P)` ? What particle would be emitted in the process ? What is

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The number of `alpha`-and `beta`-particles emitted in the nuclear reaction, `._(90)Th^(228) to ._(83)Bi^(212)`, respectively are

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`._(92)^(238)U` atom distintgrates to `._(84)^(214) Po` with a half life of `4.5xx10^(9)` years by emitting six alpha particles and n electrons. Here

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The number of `alpha` and `beta`-particles emitted in the nuclear reaction `._(90)^(210) Th to ._(83)^(212)Bi` are:

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A radioactive element `X`, decays by the sequence and with half-lives, given below, `X underset(30"min")overset(alpha)(rarr) Y underset(2"days")overse

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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Description : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Last Answer : 22

The ages of Gaurav and Goutham will be in the ratio 5 : 7 after ten years from now and will be in the ratio 13 : 18 after twelve years from now. Find the ratio of the sum of their ages 10 years hence to the sum of their ages 12 years hence. 1 : 25 : 27 2 : 13 : 15 3 : 14 : 17 4 : 18 : 23 5 : 30 : 31

Description : The ages of Gaurav and Goutham will be in the ratio 5 : 7 after ten years from now and will be in the ratio 13 : 18 after twelve years from now. Find the ratio of the sum of their ages 10 years hence to the sum of their ages 12 ... hence. 1 : 25 : 27 2 : 13 : 15 3 : 14 : 17 4 : 18 : 23 5 : 30 : 31

Last Answer : 5 : 30 : 31

how did i servive whith no skar after being hit by a truk on my bike?

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Is the decay of a radioactive isotope predictable (causally determined) or not?

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The radioactive isotope of cerium - 137 of weigh 8g was collected on 1st Feb. 2006 kept in a sealed tube. On 1st July, 2006, it was found that only 0.

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Assertion (A) : Half life of a radioactive isotope is the time required to decrease its mass number by half Reason (R ) : Half life of radioactive iso

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Last Answer : Assertion (A) : Half life of a radioactive isotope is the time required to decrease its mass number by half ... . If both (A) and (R ) are incorrect.

(A) The archaeological studies are based on the radioactive decay of carbon-14 isotope. (R ) The ratio of C-14 to C-12 in the animals of plants is the

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The half life of radioactive isotope is 3 hour. If the initial mass of isotope were 256 g, the mass of it remaining undecayed after 18 hr is a)12 g b)

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Which radioactive isotope is used to detect tumours?

Description : Which radioactive isotope is used to detect tumours?

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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

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When an isotope is blank it is radioactive?

Description : When an isotope is blank it is radioactive?

Last Answer : When an isotope is unstable, it is said to be radioactive.

When does an isotope undergo radioactive decay?

Description : When does an isotope undergo radioactive decay?

Last Answer : An atom of a given isotope will undergo radioactive decay whenever it feels like it. No joke. The nucleus of a radioactive isotope is unstable. Always. But that atom has no predictable moment ... to decay, except that those with very short half lives will pretty much disappear relatively quickly.

What type of decay involves only the release of high-energy photons and therefore does not change the mass of an atom of a radioactive isotope?

Description : What type of decay involves only the release of high-energy photons and therefore does not change the mass of an atom of a radioactive isotope?

Last Answer : High-energy photons are gamma rays; the decay is called gamma decay. Please note that the mass of an atom DOES change, since a loss of energy is accompanied by a loss in mass.

What name is given to the time taken for half the atoms in a sample of a radioactive isotope to decay?

Description : What name is given to the time taken for half the atoms in a sample of a radioactive isotope to decay?

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Last Answer : Answer : C

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

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Last Answer : (C) Tritium

A radioactive isotope undergoes decay with respect to time following __________ law. (A) Logarithmic (B) Exponential (C) Linear (D) Inverse square

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Last Answer : (B) Exponential

The time required for half of the __________ of a radioactive isotope to decay is called its half life. (A) Nuclei (B) Electrons

Description : The time required for half of the __________ of a radioactive isotope to decay is called its half life. (A) Nuclei (B) Electrons

Last Answer : (A) Nuclei

The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.

Description : The radioactive isotope of hydrogen is called--------- and its nucleus contains --------proton and --- --neutron.

Last Answer : Ans: Tritium, one and two

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Last Answer : A.92 U 235 (Answer)