Chem L8

What is the correct order of decreasing energy (highest to lowest) for the following waves? radio, gamma, infrared, visible, x-ray, ultraviolet radio, infrared, visible, ultraviolet, x-ray, gamma gamma, x-ray, ultraviolet, visible, infrared, radio infrared, gamma, radio, visible, x-ray, ultraviolet [/HTML] visible, x-ray, gamma, ultraviolet, infrared, radio

If the particle that starts a nuclear reaction is also one of the products, the process is a neutron bombardment. chain reaction. neutron emission. nuclear fusion.

What does the 256 in 256 over 101 Md represent? the number of neutrons the nuclide number the mass number the atomic number

What type of wave has the longest wavelength? red blue green yellow

You are performing an experiment that uses 113Ag. 113Ag is radioactive, decays by beta-minus emission and has a half-life of 5.3 hours. It requires 42.4 hours to ship the material from the warehouse to your laboratory. How many grams should you order if the experiment requires that you have 4 grams to begin the experiment? 1.02 x 10³ g 510 g 1.56 x 10⁻² g 32 g

Write a balanced nuclear equation for the formation of 28 over 14 next to Si. from beta-minus emission. 4 answer options: Option A is 28 over 13 next to Al right arrow 28 over 14 next to Si plus 0 over negative 1 next to e. Letter B is 24 over 11 next to Na plus 4 over 2 next to He right arrow 28 over 14 next to Si. Option C is 28 over 15 next to P plus 0 over negative 1 next to e right arrow 28 over 14 next to Si. Letter D is 27 over 14 next to Al plus 1 over 0 next to n right arrow 28 over 14 next to Si. a b c d

What type of radiation is used in chemotherapy and radiation therapy to treat cancer? gamma rays alpha particles beta minus positrons

Which of the following particles has the same mass as an electron but a positive charge and is sometimes emitted from the nucleus during radioactive decay? gamma ray beta particle positron alpha particle

Which of the following is the symbol for a neutron? A.)1/0n B.)0/-1e C.)1/1cH D.)4/2He

Which is a source of radiation we are exposed to during our lifetime? airplanes x-rays food all of the above

Which of the following radioactive decay processes does not reduce the atomic number of a nuclide? beta decay positron decay alpha decay electron capture

Which statement does not describe fission? Stable, lightweight nuclei start the process. A fast neutron starts the process. A very heavy nucleus splits into several medium-weight nuclei. Several neutrons are emitted.

Of the following forms of radioactivity, select all that would penetrate paper. 1. positrons 2. gamma rays 3. alpha particles 4. beta minus particles 1 and 2 2, 3, and 4 2 and 4 3 and 4 1, 2 and 4

Complete this nuclear equation: 197Au → β-+ ___. 196Hg 197Pt 196Pt 197Hg

What does the 4 in 4 over 2 next to He represent? the number of neutrons the number of protons the mass number the atomic number

What type of wave has the highest frequency? blue yellow red green

The iodine-131 nuclide has a half-life of 8.0 days. If you originally have a 642 g sample, after 64 days how much will you have? 2.5 g less than 1 g 123 g 80.3 g

Complete this nuclear equation: 135Cs → β-+ ___. 134Cs 134Ba 135Ba 135Rn

The isotope 206Po has a half-life of 8.8 days. If you have 3.64 x 10²⁷ atoms of this isotope, how long will it take for the sample to decay to 3.55 x 10²⁴ atoms? 88 days 2.20 days 26.4 days 35.2 days

Complete this nuclear equation: 208Po →4He + ___. 204Pb 204Rn 208Pb 212Rn

What is the correct nuclear symbol for an isotope that has 82 protons, 127 neutrons, and 78 electrons? 125 over 80 Hg 2 plus 80 over 205 Hg 2 plus 205 over 80 Hg 2 plus 80 over 125 Hg 2 minus

Gamma particles are electromagnetic waves electrons helium nuclei neutrons

Which are not products of the fission of plutonium? energy XXXXmedium-weight nuclei alpha particles neutrons

Balance the following equation: 239 over 93 next to Np → ____ + Negative 0 over 1 next to e 239 over 90 next to Th 239 over 94 next to Pu 238 over 94 next to Pu 239 over 92 next to U

Balance the following equation: 226 over 88 next to Ra right arrow 222 over 86 next to Rn plus blank 4 over 2 next to He 1 over 1 next to H Negative 0 over 1 next to e 1 over 0 next to n

Complete this nuclear equation:112Sn + α → ? 116Cd 116Te 112Te 108Cd

What do we use as fuel in nuclear fusion on Earth? Fission bombs Uranium Hydrogen isotopes Plutonium

Which of the following forms of radiation has the greatest penetrating power? beta particles positrons gamma rays alpha particle

Which of the following lists ranks nuclear radiation from least massive to most massive? gamma, alpha, and beta beta, gamma, and alpha alpha, beta, and gamma gamma, beta, and alpha

Electric blankets found in your home contain a small amount of praseodymium-147. Its decay product is lanthanum-143. Identify the emission particle from praseodymium-147. electron capture beta-plus particle alpha particle beta-minus particle

What other type of emission can occur during radioactive decay besides alpha, beta-minus, and beta-plus?

What is the symbol used in chemistry for an alpha particle?

What is the symbol used in chemistry for a beta-minus particle?

What is the symbol used in chemistry for a beta-plus particle?

The nuclear symbol for a neutron is ¹₀n. What does the 1 mean? What does the 0 mean?

²³³U→²²⁹Th+?

¹³N→⁰₁B+?

Scientists are investigating the possibility of containing fusion reactions within ________. lead containers. magnetic fields. steel containers. concrete casks.

In order for a fission reaction to proceed rapidly there must be enough mass which is called the critical mass and then it will set off a ________. chain reaction. oxidation-reduction reaction. acid-base reaction. precipitation reaction.

In nuclear reactors, the role of control rods is to ________. absorb neutrons. accelerate neutrons. absorb energy. slow down neutrons.

What device uses controlled nuclear fission to produce new radioactive substances and energy? linear accelerator synchrotron nuclear reactor nuclear bomb

A fast neutron collides with a large atom resulting in additional fast neutrons being released and smaller nuclei. This is an example of a(n) ________. electrolytic cell. fusion reaction. neutralization reaction. fission reaction.

The energy as heat produced by a reactor is used to ________. produce coal. produce graphite. melt metal. boil water for steam turbines.

Which of the following is a fusion reaction? uranium-235 absorbing a neutron and splitting into xenon-140, strontium-94, and two neutrons tritium and deuterium combining to make helium carbon-14 decaying into nitrogen-14 and a beta particle hydrochloric acid combining with sodium hydroxide to form NaCl and water

What type of wave has the highest energy? microwaves infrared radio x-rays

What type of wave has the longest wavelength? x-rays infrared ultraviolet visible light

What type of wave has the longest wavelength? violet blue yellow green

As energy increases, frequency ________________ and wavelength __________________. decreases, increases decreases, decreases increases, increases increases, decreases

What type of wave has the shortest wavelength? ultraviolet x-rays infrared visible light

What type of wave has the lowest energy? infrared visible light microwaves x-rays

What type of wave has the lowest frequency? x-rays microwaves ultraviolet radio

What type of wave has the highest frequency? x-rays gamma radio visible light

What is the correct order of increasing frequency (lowest to highest) for the following waves? microwaves, gamma, infrared, visible, ultraviolet gamma, ultraviolet, visible, infrared, microwaves microwaves, infrared, visible, ultraviolet, gamma infrared, microwaves, visible, ultraviolet, gamma microwaves, infrared, ultraviolet, visible, gamma

What type of wave has the highest frequency? violet orange green red

How much Filmorium would be left after 80 days?

¹⁷³Os has a half-life of 16 seconds. How long will it take for 1.56 x 10²⁵ atoms to decay to 2.43 x 10²³ atom

⁵⁴Mn has a half-life of 312 days. If you have 2.5 g remaining after 2,496 days, how many grams did you have originally?

The half-life of ²³⁷U is 6.75 days. Starting with a 50 mg sample, how much would be left after 54 days?

The make-believe element Filmorium (Fi) is radioactive. You start with 100 milligrams. After 40 days, you have 6.25 mg left. What is the half-life of Filmorium?

²¹⁴Bi has a half-life of 20 minutes. Starting with a 50 mg sample of ²¹⁴Bi, how much sample would be left after one hour?

Which is a source of radiation we are exposed to during our lifetime? airport security x-rays indicator lights all of the above

If you have a broken wrist, what nuclear medical treatment are you most likely to receive? radiotherapy MRI ultrasound x-ray

If you have brain problems, what nuclear medical treatment are you most likely to receive? MRI x-ray ultrasound chemotherapy

What type of radiation is the most harmful to us? beta minus alpha gamma beta plus

What is a radioisotope? an isotope that absorbs radio waves an isotope that emits radio waves an isotope that cures cancer an isotope that traces abnormalities in body functions

Which is a source of radiation we are exposed to during our lifetime? food cosmic rays smoke detectors all of the above