Ql: A radioactive material produces 1280 decays per minute at one time, and 4.6 h later produces 320 decays per minute. What is its half-life?

Q: 15) What are the two main differences between studying nuclear properties and atomic properties?

A: The nucleus of an atom is made of protons and neutrons. Proton has a positive charge while neutron…

Q: Long and strong Conclusion about radioactivity

A: Radioactive decay involves the spontaneous transformation of one element into another. The only way…

Q: explain the uses of radioactivity in smoke detector

A: Radiation is used to ionize the air inside the smoke detector.

Q: 9. The reaction 210P0 206Pb + He is an example of 84 a. Fission b. Fusion c. Alpha emission d. Beta…

A: Alpha decay is the radioactive emission in which a helium nuclei is emitted as the product along…

Q: QUESTION 4 Discovery of artificially-induced radioactivity allowed to create new short-lives…

A: Artificially induced radioactivity is radioactivity induced by man made methods and it is the…

Q: dating

A: Radioactivity is a process in which an unstable nucleus spontaneously breaks down into stable nuclei…

Q: When we measure the rate of radioactivity of a given isotope 60 days after making an initial…

A: The time of management is 60days

Q: on Nuclear forces a

A: Nuclear force is the force which acts between two nucleons ( protons and neutrons). It's a force…

Q: CHALLENGE Write the nuclear equations for the beta decay of the following isotopes: 210Pb 234TH 90…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 3. What is the involvement of neutrons in radiation therapy practices involving x-ray generators?

A: Radiation therapy using neutrons is incredibly successful. Long-term experience with cancer…

Q: QUESTION 32 Which of the following atomic spectrometry techniques has generally the highest…

A: Spectroscopy techniques deals with the infrared region of the electromagnetic spectrum, i.e. light…

Q: If a radioactive particle with a + 2 charge emits an alpha particle, which has a + 2 charge, the new…

A:

Q: After two half-lives of radioactivity amount of radioactive atoms remaining is none O N/2 N/4 O N/8

A: Given data: Number of half-lives (n) = 2 Required: Remaining amount after 2 half-lives

Q: A uranium nucleus emits an α particle. Assuming charge is conserved, the resulting nucleus must be…

A: When Uranium whose mass number is 238 breaks into smaller nucleus and emitting alpha particle .

Q: Radioactive materials are composed of nuclei that are stable .A yes .B no .C .D

A: An atom is stable if the forces among the particles that makeup the nucleus are balanced. An atom is…

Q: Match the items on the left with the appropriate items on the right.

A:

Q: Directions: A. Fill in the table below for each type of radioactivity. Name Charge Mass Greek symbol…

A: Alpha particles (a) are composite particles consisting of two protons and two neutrons tightly bound…

Q: a drug tagged with 99 Tc (half-life = 6.05 h) is prepared for a patient. If the original activity of…

A: Given:-Original activity Time (t) = 2.4 hoursHalf life

Q: In a breeder reactor, U-238 is made into the fissionable fuel   A. U-239   B. Pu-239   C.…

A: In normal reactors, U-235 is only used as fuel which is available as only around 0.7% of natural…

Q: 06: Do you think that environmental conditions such as temperature, pressure etc. Have some effects…

A:

Q: What are the two main differences between studying nuclear properties and atomic properties?

A: Atomic properties are related to atomic physics which is the field of physics that studies atoms as…

Q: QI) lodine 131I is widely used in the treatment and diagnosis of the Thyroid gland. The radius (in…

A: Write the expression for the radius of the isotope. Here, A represents the atomic mass.

Q: a) Describe the general effects of ionising radiation on cells. b) Contrast the effects on cells of…

A:

Q: 4. Actinium-227 emits a beta 5. Th-227 emits an alpha and a gamma 6. Ra-223 emits an alpha

A: Given:Actinium-227Thorium-227Radium-223To Find:Nuclear equation of each

Q: 16) Explain why proton-electron model for a nucleus was discarded.

A: Variuos models were introduced to explain the nuclear structure and properties. One of them was the…

Q: Is the human body radioactive? Explain.

A: Carbon -14 , Potassium-40 ,Sodium-22 are some naturally occurring radioactive isotopes in the…

Q: Name and briefly describe one industrial and one medical use of radioisotopes.

A: One of the most common industrial use of radio isotopes is INSPECTION Radioactive materials are used…

Q: 06: Do you think that environmental conditions such as temperature, pressure etc. Have some effects…

A: Radioactivity Radioactivity is a process by which nuclei of unstable elements gain stability by…

Q: justify the coexistence of protons in the nucleus with refrence to forces at play

A: in this question we discuss about coexistence of protons in the nucleus with strong  nuclear  force.

Q: Gamma radiation is   a. extremely penetrating b. all of these c. least ionizong d. identical to x…

A:

Q: Radiation technology in industry is used to coat wood.  The rays used for coating wood are .... a.…

A:

Q: Question 6 a) Explain the general advantages in the use of radiopharmaceuticals for treatment as…

A: Radiopharmaceuticals are radioactive substances that are administered to patients for medical…

Q: Natural radioactivity was discovered by   A. Marie Curie B. Ernest Rutherfor C. Henri Becquerel D.…

A: The  radioactivity if the natural phenomenon in which the heavy unstable nucleus disintegrates into…

Q: The neutron was found in the laboratory in what year?   a. 1788   b. 1849   c. 1888   d. 1932…

A: 1932, James Chadwick reports the discovery of the Neutron.

Q: Carbon-12 is used to date objects. True False

A: Stable isotopes of carbon are : Carbon - 12 and Carbon - 13 Unstable isotope of carbon is : Carbon -…