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: 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: 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: 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: 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: The half-life of radioisotope X is 10 days. A sample gives an initial count rate of 440 counts per…

A: Half-life t1/2 = 10 days Initial count rate No = 440 counts per second  time t = 30 days

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

A:

Q: TYPE OF RADIOACTIVITY ARE | 1. NATURAL O 2. ARTIFICIAL

A: In this solution, we will discuss the types of radioactivity.

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: Several people are exposed to 1 Gray of radiation. They are only protected by their clothes. The…

A: Alpha particles have low range and cannot penetrate skin as such. They are least damaging, until…

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

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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 -…

Q: The isotope 1F has a half-life of 109.8 min. Determine the time interval (in min) required for the…

A: Given data The half-life of fluorine is t1/2=109.8 min The decrease in the sample is N=29 %No=0.29No

Q: estion. Attempt 1 Calculate the percent activity of the radioactive isotope strontium-89 remaining…

A: