The nucleus of an atom is composed of O Protons bound to electrons by a strong nuclear force O Neutrons bound together by a weak nuclear force O Nucleons bound together by a strong nuclear force O Electrons bound together by a weak nuclear force

Q: Why doesn’t the repulsive electric force of protons in the atomic nucleus cause the protons to fly…

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Q: What influence does the strong nuclear force have on the electrons in an atom? It attracts them…

A: Strong nuclear force is the binding force that acts as a glue holding the protons and the neutrons…

Q: certain radioactive isotope has a half-life of 4.0 hours. How much time does it take for the amount…

A: Half life = t = 4 h let the time taken in measure of no. of half lives taken to decrease be n…

Q: The spontaneous transformation of a neutron into a proton in an atomic nucleus, accompanied by the…

A: (B) Beta decay

Q: 6. The particles in the nucleus that have a positive charge are the b. neutrons a. electrons c.…

A: Part (6):Introduction: There are three fundamentals particles are present in the atom electrons,…

Q: A heavy hydrogen nucleus with one proton and one neutron is called   a. bi-hydrogen.   b. tritium.…

A: With one proton and one neutron in nucleus we get isotope of hydrogen which is called

Q: half-life of the isotope of iodine I-131 is 8 days. The activity of the sample at the moment is…

A: 1 Ci = 3.7 × 1010  decay/s Half life T1/2  = 8 days = 8 × 24 × 60 × 60 s = 6.912 × 105 s Rate of…

Q: Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in…

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Q: Consider these three nuclei: A. Th-233; B. U-235; C. U-238. From most to least, rank them by the…

A: *A the atomic number of Th-233 is 90. then the number of proton and electron is 90. Number of…

Q: Atoms of the same element whose nuclei have the same number of neutrons but a different number O of…

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Q: The half life iodine-131 is 10 days. What fraction will be left after 30 days if the original mass…

A: Given that, The half-life iodine-131 is 10 days, T1/2 = 10 days The formula for the half-life is…

Q: How much of a 1,164 gram radioactive sample remains after 4 half lives

A: Given Initial amount = 1164 grams Number of half life = 4

Q: Rank from greatest to least the reduction of mass per nucleon that accompanies the fusion of the…

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Q: 3 Electromagnetic Force and Strong Force An atomic nucleus contains two types of particles: protons…

A: charge on each proton = 1.6×10-19 C r = 2×10-15 m (radius)

Q: A radioactive sample has a mass of 400 grams. How much remains after 2 half-lives

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Q: The Hydrogen 3 nucleus (also called Tritium) consists of: a) two neutrons and one proton b) two…

A: Hydrogen-3 or H13 or Tritium is a radio-isotope of hydrogen.

Q: Marie and Pierre Curie were both winners of the Nobel Prize in physics. This prize is one of the…

A: Curie's family is known for their scientific  achievements and their Nobel prizes are confirmation…

Q: Bismuth-214 emits an alpha particle and the new nucleus formed is: O Bismuth-210 O Astatine-218…

A: Given data: Nucleus : Bismuth-214 Emits alpha particle Required: New nucleus formed

Q: When a nucleus undergoes alpha decay, _____. its mass number decreases by 4…

A: Given data:  Type of decay : alpha decay Required: What change in mass number and atomic number

Q: A particular radioactive material was weighed exactly 1 year ago, showing a mass of 200 g. If the…

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Q: What element spontaneously splits into a lighter nucleus and an even lighter helium nucleus?

A: Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller…

Q: The subatomic particles in the central nucleus of an atom are O protons and electrons electrons and…

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Q: For an electrically neutral atom, the number of protons in the nucleus of is equal to the number of…

A: The proton are positively charged and electrons are negatively charge with the equal in magnitude of…

Q: 2) The nucleus of an atom is made up of   Group of answer choices   A)protons and neutrons…

A: The nucleus of an atom consists of positive charge and neutral charge.

Q: Radioactive Decay The radioactive substance's initial mass is 1000 grams. After 50 years, the…

A: Initial mass = 1000 grams Mass after 50 years = 700 grams

Q: An element with an atomic mass of 57 has an isotope with an atomic of mass 58. The source of this…

A: Isotope is a terminology given to an element that has variation in atomic mass than the same element…

Q: The nucleus of an atom emits a high energy electromagnetic wave. This nucleus has probably changed…

A: When a nucleus emmits a radiation of high energy electromagnetic wave then then it transformers to a…

Q: 12. The half-life of Calcium-47 is 3.91 x 105 seconds. A sample contains 4.11 x 1016 nuclei. How…

A: GivenHalf life of calcium-47, T1/2=3.91×105 sInitially the amount of nuclie, No=4.11×1016

Q: The half-life of Carbon-14 is 11 years. How much of an initial 102 g sample will remain after 49…

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Q: The original number of atoms in a sample of a radioactive element is 4.00x10-0 . Find the time it…

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Q: High temperatures are required for controlled nuclear fusion because nuclei must O produce…

A: The Correct Answer is (b)

Q: radioactive substance is known to have a half-life of 78 years. Calculate the number of years it…

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Q: In 4 years, 3/4 of nuclei of a given radioactive substance is decayed. What is the half- life of the…

A: Definition of  Half life:- Half life of a radioactive sample is defined as the time elapsed before…

Q: The half life of C14 is 5570 years. Find the mass of 2 mCi of radioactive C14

A: Half life of C-14 = 5570 years = 5570×365 days = 5570×365 ×24×60×60 seconds = 1.756×1011 seconds…

Q: 4. Alpha particle bombarded of nitrogen-14 to produce a proton and oxygen-17 5. Neutron bombardment…

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Q: A neutral atom always has * O More neutrons than protons More protons than electrons The same number…

A: Since an electron and a proton has an equal amount of charge, they will have to equal in numbers to…

Q: Molecules attract or repel one another due to _____ forces. a)nuclear b)weak c)gravity d)electric

A: Molecules are the smallest discrete[independent] particles of a compound or element that exist in…

Q: 16.  The ejection of an alpha particle and a gamma particle from a nucleus results in

A: The alpha particle is identical with helium nuclei consisting two proton and two neutron. So…

Q: Energy stored in the nucleus of an atom is called: A) Nuclear energy B) Atomic energy C) Potential…

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Q: When a nucleus undergoes beta decay, _____.   When a nucleus undergoes beta decay, _____.   its…

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.