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What are the three primary ways radioactive isotopes can enter the body?
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What is the atomic number of Ar?
That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
What are three uses of isotopes?
Carbon-14 is used to determine the age of fossils. Radiation therapy for cancer comes from isotopes that emit gamma rays. Thyroid tissue that may be cancerous and has left the throat region can be located in the body with radioactive iodine.
Carbon with a mass number of 14?
There are three isotopes of carbon with mass numbers 12 (which is more than 99% of existing carbon), 13, and 14 (which is radioactive).
Do cadmium conduct electricity?
Yes. Cadmium is radioactive, with over 50% made up of radioactive isotopes, though the half lives so very long that they can be treated as stable for most purposes.Naturally occurring cadmium is composed of 8 isotopes. For two of them, natural radioactivity was observed, and three others are predicted to be radioactive but their decay is not observed, due to extremely long half-life times. The two natural radioactive isotopes are 113Cd (beta decay, half-life is 7.7 × 1015 years) and 116Cd (two-neutrino double beta decay, half-life is 2.9 × 1019 years). The other three are 106Cd, 108Cd (double electron capture), and 114Cd (double beta decay); only lower limits on their half-life times have been set. At least three isotopes - 110Cd, 111Cd, and 112Cd - are stable. Among the isotopes absent in natural cadmium, the most long-lived are 109Cd with a half-life of 462.6 days, and 115Cd with a half-life of 53.46 hours. All of the remaining radioactive isotopes have half-lives that are less than 2.5 hours, and the majority of these have half-lives that are less than 5 minutes. This element also has 8 known meta states, with the most stable being 113mCd (t½ 14.1 years), 115mCd (t½ 44.6 days), and 117mCd (t½ 3.36 hours).No, Cadmium is not radioactive, though it is toxic.There are, however, several radioactive isotopes of cadmium.
How many isotopes does sodium have?
1. Sodium has 20 isotopes and 2 isomers. 2. Only the isotope 23Na is stable. 3. The stable isotope 23Na and the radioactive isotopes 22Na and 24Na (these isotopes exist in traces) are natural isotopes.
What are three different isotopes in nitrogen?
Nitrogen has two stable isotopes: N-14 and N-15 and 14 radioactive isotopes.
Is osmium radioactive?
Osmium is very weakly radioactive. There are seven naturally occurring isotopes of osmium, four of which are stable. The three radioactive isotopes all have very long half lives, but they account for 42.39% of it.
How many neutrons does Ar element have?
That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
Is silicon radioactice?
Naturally occurring silicon, of which there are three isotopes, is not radioactive, There are a half dozen artificial radioisotopes.
What is the atomic number of Ar?
That depends on the isotope, as Argon has three different stable isotopes and many different radioactive isotopes.
What are three uses of isotopes?
Carbon-14 is used to determine the age of fossils. Radiation therapy for cancer comes from isotopes that emit gamma rays. Thyroid tissue that may be cancerous and has left the throat region can be located in the body with radioactive iodine.
What is the mass number of potasium?
Potassium occurs naturally on earth in three isotopes with mass numbers 39, 40, and 41. Of these, the isotope K-40 is known to be radioactive, but has a very long half life. There are many other radioactive isotopes of potassium.
Does Argon Decay?
There are over twenty known isotopes of argon. Of these all but three are radioactive and decay. Of naturally occurring argon, very nearly 100% is not radioactive, with only traces of one radioactive isotope found.
Is hydrogen ratioactive?
No. Not hydrogen itself. However there are a total of three isotopes of hydrogen - Hydrogen, Deuterium, and Tritium. Tritium is radioactive
What are the 3 atoms of oxygen?
The three stable atomic isotopes of Oxygen are 16O, 17O, 18O, with 8, 9, and 10 neutrons respectively. In addition 17 radioactive isotopes have been described.
Is chlorine reactive?
Yes, Chlorine is highly reactive and dangerous even at low concentrations. If it is extremely dilute it can be safely added to water to kill bacteria that are dangerous to people.
Is hydrogen a radioactive element?
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