The radioactive isotope of carbon was used to develop carbon dating tool, which has made the dating of various relics possible. By continuing, I agree that I am at least 13 years old and have read and
What is the radius of an atom used to measure? PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. A) At B) B C) Ge D) Si E) none of the above Which of the following is a radioactive element. If the answer is not available please wait for a while and a community member will probably answer this
Answer and Explanation: An isotope is a form of an element that, though it has the same amount of protons, it will have a different number of neutrons. Each element is followed by the most stable known isotope and its half-life. 4. Which one of the following is not a radioactive element ? Check all that apply. The d-and f-Block Elements. Atoms of a radioactive sample that did not decay in the first half-life are more likely to decay than they were previously. Can you explain this answer? is done on EduRev Study Group by Electrical Engineering (EE) Students. Electronics Bazaar is one of best Online Shopping Store in India. Correct answers: 1 question: Which of the following statements about radioactive decay is true? A. Cadmium B. Thorium C. Radium D. Uranium Submitted by: Mansoor Ahmed Suhag Everyday Science Mcqs Everyday Science Mcqs. In which of the following series all the elements are radioactive in nature . Cadmium, 5. Here you will find the General Science Multiple Choice Questions Mcqs EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. C. Facilitating import of goods. Answers of Which of the following is a radioactive element?a)Sulphurb)Telluriumc)Poloniumd)SeleniumCorrect answer is option 'C'. Vanadium is a toxic very hard silverywhite metallic element. Rest all are not radioactive. Discuss. Read the poem and answer the following questions. Online Electronics Shopping Store - Buy Mobiles, Laptops, Camera Online India. Which of the statement(s) given above is/are correct? Collecting Cheques/Drafts customers. A. A. Cobalt. Which among the following elements is radioactive? OThe rate of decay of a radioactive element cannot be approximated. D Sea water is a compound. A) Water is used to slow down neutrons in a nuclear reactor. The Actinoids. While radioactive, it emits a high-energy form of radiation, but the particles do not travel far and it decays relatively quickly. The copper nickel alloys composed of copper with 25% nickel with 0.05-0.4% manganese is commonly used for the manufacture of coins, medals and other semi valuable applications. Can you explain this answer? It is formed by radioactive decay of uranium. B) A very high temperature is required to initiate a nuclear fission reaction C) The energy released from the sun is the result of a nuclear fission reaction D) Carbon control rods are used to absorb neutrons in a nuclear fission reaction 2. Non-metals generally contain ___ electrons in their outermost shell. A good example of this is tritium, a radioactive isotope of hydrogen naturally present at extremely low levels. Important Solutions 3103. C. Uranium. Answer & Explanation Answer: C) Cupro nickel alloy Explanation:. Leave a Reply Cancel reply. Electronics Bazaar is one of best … Uranium, 2. are solved by group of students and teacher of Electrical Engineering (EE), which is also the largest student community of Electrical Engineering (EE). Report Error
In 420 days the radioactivity of a sample decreases by 39 percent. Try it now. Uranium, Radium are naturally occurring radioactive elements Atoms with atomic number greater than 82 show the phenomena of radioactivity.Radioactivity … NULL. - Chemical Engineering Mcqs - … Which of the following is a correct list of particles upon which the strong nuclear force may act? B Ammonia is a compound. Note increasing atomic number doesn't necessarily make an atom more unstable. What measurement(s), together with the initial activity of the sample, must be made in order to measure the half-life of the element? It is considered an important choice for determining radioactive nature. MCQs: The half life period of a radioactive element is 100 days. Buy online Mobile Phones, Laptops, Tablets, Cameras & … A. Cadmium B. Thorium C. Radium D. Uranium. This discussion on Which of the following is a radioactive element?a)Sulphurb)Telluriumc)Poloniumd)SeleniumCorrect answer is option 'C'. An unknown radioactive element decays into non-radioactive substances. NULL. It does not depend on the temperature, concentration or the amount of element, but just depends on the time factor. Mar 24,2021 - Consider the following statement regarding radioactive element emitting β- particle :Which of the following are correct ?a)The atomic number of the element increases by one unit.b)The atomic number of the element decreases by one unit.c)The mass number of element decreases by one unit.d)The mass number of the element remain the same.Correct answer is option 'A,D'. Which of the following is a chemical change? The answer of Which one of the following is not a radioactive element ? Question Bank Solutions 11228. agree to the. 2.How long will it take for a sample of 100 mg to . The half-life of an element is the time it takes for an average of 50 percent of the atoms in a sample to decay. Which of the following is a radioactive element ? Online Electronics Shopping Store - Buy Mobiles, Laptops, Camera Online India. Answer. GATE Notes & Videos for Electrical Engineering, Basic Electronics Engineering for SSC JE (Technical). O During radioactive decay, atoms break down, releasing particles or energy. Can you explain this answer? C Methane is a compound. Answer: Option C . After 400 days, one gm of the element will be reduced to _____ gm? Which of the following is a radioactive element? Apne doubts clear karein ab Whatsapp (8 400 400 400) par bhi. community of Electrical Engineering (EE). Iodine-125, 5. It is used in the treatment of cancer. Poloniumis a rare radioactive metal discovered by Marie Curie in the late 19th century. Americium–241 has a half-life of 432 years and decays by emitting alpha particles to produce neptunium. Half-life time of radioactive element is the time required for one half of the radioactive atoms to disintegrate. Americium–241 is a radioactive isotope used in domestic smoke detectors. are solved by group of students and teacher of Electrical Engineering (EE), which is also the largest student
protons neutrons electrons In a {93/41}Nb nucleus, the number of protons, neutrons, and electrons is This answer has been confirmed as correct and helpful. (a) After 8 days the sample will consist of one-fourth element Z and three-fourths element X. Can you explain this answer? 2. Granting Loans. ... A pure sample of a known element has a very long half-life. 2. Thorium is the radioactive element, belonging to the class of lanthanides. Which of the following is a radioactive element, If the valency of Aluminum is 3 and that of Oxygen is 2, then the chemical formula of Aluminum oxide is, View Answer
2 A radioactive isotope of carbon has more nucleons than the non-radioactive isotope, 12C 6. over here on EduRev! NULL. Half-Life of a Radioactive Element. Correct Answer of this Question is : 3. Copyright © 2019 Sawaal.com | All Rights Reserved. Which of the following is a radioactive element?a)Sulphurb)Telluriumc)Poloniumd)SeleniumCorrect answer is option 'C'. B) Polonium. Minerals (like monozite, thorite) are rich in thorium … Consider the case of a radioactive element X which decays by electron (beta) emission with a half-life of 4 days to a stable nuclide of element Z. Answer verified by Toppr. Join The Discussion. B. Chromium. B. The percentage of nitrogen in the air is about. Question Papers 172. report flag outlined. Methane contributes towards global warming so it is called a _________________ gas. Which of the following is a radioactive semimetal? 3. 1.What is the half-life of the element? Cadmium, 5. If the ratio is above the value of 1.5 for any element, that means the element is radioactive. Calculus Chemistry. Radium, 3.Thorium, 4. Correct Answer of this Question is : 4. Consider the following statements 1. Comment * Related User Ask Questions. Question bank for Electrical Engineering (EE). How many protons, neutrons and electrons could there be in this radioactive isotope of carbon? 2. - 17519753 1 Which statement is not correct? by N, which of the following is correct? The half life period of a radioactive element is the time required for a quantity to fall to half its value as measured at the beginning of time period. See answers. Half-life time of a radioactive element is fifty percent of its average life period. D) Selenium. Tritium, 3.All of these, 4. Which of the following is a radioactive element? C) Tellurium. Thorium is a dark grey radioactive metallic element of the actinide series. 12th. soon. It is an element with symbol Po and atomic number 84. The Questions and
Which of the following is not a bleaching agent? Electronics Bazaar is one of best Online Shopping Store in India. You can study other questions, MCQs, videos and tests for Electrical Engineering (EE) on EduRev and even discuss your questions like
Online Electronics Shopping Store - Buy Mobiles, Laptops, Camera Online India. Which of the following statements is CORRECT? Maharashtra State Board HSC Science (Computer Science) 12th Board Exam. A radioactive isotope: has an unstable atomic nucleus can not form molecules will decay over time into a more stable isotope has unstable electrons Which of the following is not a primary function of a Bank? Which of the following statements is correct? A) Sulphur. Uranium, 2. Select the correct … 1) Carbon-14 , 2) Tritium, 3) All of these, 4) Iodine-125, 5) NULL 1. A Air is a mixture. Which one of the following is not a radioactive element ? (1 point) ORadioactive decay is the rate at which new atoms form. Half-life is the amount of time required, for half quantity of radioactive element to decay. All radioactive elements have the same half-life and decay at the same speed. Which of the following is correct regarding radioactive process ? OThe number of radioactive atoms in a sample will always remain constant. Textbook Solutions 10120. Correct answer is option 'C'. a. N = A + Z b. N = Z - A c. N = A - Z d. None of the above is correct. The one with the two extra neutrons is radioactive and undergoes radioactive decay. D. Tungsten. Can you explain this answer? Name * bell outlined. Correct Answer of this Question is : 4. Your email address will not be published. 5. Required fields are marked * Comment. Age of the earth can be determined by radioactive dating. Choose the most correct option. This table contains the elements that have no stable isotopes. Buy online Mobile Phones, Laptops, Tablets, Cameras & … Radium, 3.Thorium, 4. 262 Views. Physics,kinematics.please explain the answer of question? The Questions and Answers of Which of the following is a radioactive element?a)Sulphurb)Telluriumc)Poloniumd)SeleniumCorrect answer is option 'C'. Apart from being the largest Electrical Engineering (EE) community, EduRev has the largest solved
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Radiation, but the particles do not travel far and it decays relatively quickly in this radioactive of! … an unknown radioactive element to decay dating of various relics possible 1! For any element, but just depends on everyone being able to pitch in when they know something quantity! Is a radioactive element decays into non-radioactive substances a primary function of a radioactive of... In thorium … which of the following is a knowledge-sharing community that depends on the temperature concentration., Cameras & … an unknown radioactive element and atomic number does n't necessarily an. Form of radiation, but the particles do not travel far and decays!
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