The presence of which element on earth provides evidence that our solar system was formed from the remnants of a supernova explosion.   none of these provide such evidence   hydrogen   carbon   iodine

Q: In what order do the colors of the visible spectrum appear? O violet, blue, green, yellow, orange,…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Which elements are the final products of the deuterium cycle? O helium-4 and lithium-6 O hydrogen-3…

A:

Q: Cobalt- 60 is radioactive and has a half life of 5.26 years. Calculate the activity of a 2.6mg…

A: Given :Half life of Cobalt-60 = 5.26 yearsMass of Cobalt sample = 2.6 mgActivity of cobalt-60 sample…

Q: lodine-125 is radioactive and has a half life of 60.25 days. Calculate the activity of a 1.0 mg…

A:

Q: Why does a person living in a city at a high elevation receive more radiation per year than a person…

A: At higher altitude dose of radiation is more due to result of less shielding of cosmic radiation by…

Q: Source Dose (mrem/year) Naturally Occurring Radiation Cosmic rays Terrestrial radiation (rocks,…

A:

Q: What element should go in the empty box in this equation? 10 As → B+O 33

A: We have to determine what element will fill the empty box for the beta decay reaction of As-79 as…

Q: Explain how carbon-12, carbon-14 , and nitrogen-14 would be different at an atomic level.

A: Atoms are differed by no. Of protons and neutrons.  Atomic no. Is the no. Of protons And mass no. Is…

Q: Average Exposure to Radiation from Common Sources Source Dose (mrem/year) Naturally Occurring…

A:

Q: What are the benefits of using radiation as a medical tool? List three benefits What are the risks…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Which of the following is not a radiation detector?  cloud chamber barometer scintillation…

A: In this question we have given some instruments and we have to explain that among these instruments…

Q: Predict what will happen when you release a balloon full of air.…

A: Releasing a balloon full of air: When we release a balloon full of air the balloon starts moving up…

Q: Average Exposure to Radiation from Common Sources Source Dose (mrem/year) Naturally Occurring…

A: The data given is,

Q: urce Dose (mremlyear) turally Occurring Radiation emic rays rrestrial radiation (rocks, buildings)…

A: Ans. In an accident, the radiation exposure = 4.23×10-4 Sv   Exposure from terrestrial radiation…

Q: Average Exposure to Radiation from Common Sources Source Dose (mrem/year) Naturally Occurring…

A: Given: The radiation received in an accident = 5.43 × 10-4 Sv

Q: Energetic gamma rays are emitted when ________, which then are a new source of energy for the…

A: Here i filled the blank space

Q: Geiger-Muller tube is moved on above ground. The ratemeter records high radiation levels if there is…

A: To answer the questions regarding radioactivity.

Q: Average Exposure to Radiation from Common Sources Source Dose (mrem/year) Naturally Occurring…

A: We will calculate the amount of radiation that the average person receives annually from terrestrial…

Q: The fusion of one H-3 atom and one H-1 atom produces

A: The question is asking about the product of a nuclear fusion reaction between an atom of hydrogen-3…

Q: Age of which one of the following can be estimated using carbon dating? rocks earth wood all none

A: We are to discuss age of l which of given can be determined by carbon dating.

Q: Which nuclear process powers the sun? Group of answer choices Nuclear Fission Nuclear Decay Nuclear…

A: Sun mainly contains two gases hydrogen and helium. Nuclear fission is process in which nuclei splits…

Q: Tin-129 is radioactive and has a half life of 2.23 minutes. How much of a 3.00 mg sample would be…

A: We have to predict the amount of sample left

Q: What is the mass of an assembly of 1000 electrons?

A:

Q: Describe the relative penetrating powers of alpha, beta, and gamma radiation.

A: There are sub-atomic particles like alpha particle, beta particle and gamma particle. Alpha particle…

Q: The rem is a unit that measures the biological effect of radiation. True

A: We have to tell whether the rem is used as for measuring biological effect of radiation or not

Q: Write a balanced fusion reaction that uses lithium-6 as a reactant.  You may have additional…

A: When neutron( 0n1) bombardment occurs on Lithium-6 (3Li6) ,then Helium-4( 2He4) and tritium (H3)…

Q: A particular home uses 1,180 kWh of electric energy per month. Imagine a hypothetical fusion reactor…

A: Given that: electrical energy per month = 1,180 kWh The reaction is given by, 21H + 31H → 42He +…

Q: Select the basic fusion reaction of the universe. A. 1 H   +   3 He   →   4 H   +   0 e 1 2 2 -1 B.…

A: fusion cycle releases energy in the core of the star. It is this fusion cycle that generates energy…

Q: Phosphorus-32 is radioactive and has a half life of 14.3 days. Calculate the activity of a 6.3 mg…

A:

Q: che percentage of total annual radiation f

A:

Q: Average Exposure to Radiation from Common Sources Source Dose (mremiyear) Naturally Occurring…

A: Given: The radiation received in an accident = 4.23 × 10-4 Sv

Q: Which of the following are important for understanding why the C-14 isotope ratio of a life form is…

A: While studying radio carbon dating it is important to know that, cosmic rays interact with…

Q: Exercise 11.6A Phosphorus-30 is a positron-emitting radioisotope suitable for doing PET scans. What…

A: The phenomenon in which a radio active nuclide emits radiation and smaller particles like alpha,…

Q: Cobalt-60 is radioactive and has a half life of 5.26 years. Calculate the activity of a 3.2 mg…

A: Given : We have to calculate activity in curies and Bq.

Q: Use evidence from the left side to answer the question “Which of these types of radiation might be…

A: Among the given material lead has higher density than the paper and aluminium . Among the given…

Q: Suppose there was a release of 0.572 mole of particle A and 0.792 mole of particle B and both…

A: Given the accelerated energy of both the particles = 5.73 MeV We have to convert 5.73 MeV to kJ/mol

Q: odine-125 is radioactive and has a half life of 60.25 days. Calculate the activity of a 6.1mg sample…

A: Given Iodine-125Half life = 60.25 daysMass of sample = 6.1 mg = 6.1 * 10-3 gActivity of sample =…

Q: 18. Why is the neutron to proton ratio so important? Scientists made up this concept because they…

A: The correct answer about n/p ratio is given below

Q: What does aufbau refer to using the German word aufbauen?

A: Electronic configuration is defined as arrangement of electrons in shells, subshells and orbital.

Q: H+H-He+ 3

A: For nuclear reaction , total mass no. and total proton no. remain constant . Detail description is…

Q: Calculate the speed of a gamma ray with a frequency of 3.0x1019 Hz and a wavelength of 1.0x1011 m. O…

A: Given:  Frequency of gamma ray, f= 3.0 x 1019Hz  wavelength of gamma ray, λ=1.0 x 10-11m