Many hospitals use radioisotopes for diagnosis and treatment or in palliative care three radioisotopes used in Madison are given right there set up symbol for each radio isotope replace the?'s with the proper integers replace the X with the proper element symbol iodine-131: ?/?X cobalt-60 : ?/?X strontium-89: ?/?X

Q: The heaviest stable nucleus is an isotope of A. platinum. D. bismuth. B. gold. E. xenon. C. lead.

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Q: Which of the following represents isotopes?   O (mass number 18) and O (mass number 18) O (mass…

A: Isotopes are the chemical element having same atomic number but different atomic masses.  Isobars…

Q: Abeta particle has a mass number of ____ and a charge of _____.

A: Given A beta particle has a mass number of ____ and a charge of _____.

Q: What is radioactive decay and give one example of a radioactive atom used in medicine?

A: Radioactive decay:It is known as the process by which an unstable atomic nucleus loses its energy by…

Q: Question 15 Which of the following small particles is a small nucleus? O Beta particles O electrons.…

A: Here,  beta particle is similar to electron which does not have a nucleus. Neutrons are present…

Q: Please type all work! Question 3   The isotope 164Re4+ has ____ protons, ______neutrons, and ______…

A: The isotope 164Re4+ has ____ protons, ______neutrons, and ______ electrons

Q: OAll isotopes 284 protons are unstable (alpha decay most common) OElements $20 protons are most…

A: Isotopes are atoms of the same element with same atomic number and different mass numbers. Atomic…

Q: es to access important values if needed for this question. A certain element consists of two stable…

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Q: ed on the figure from the lecture slides showing the isotopes for the first twenty elements, which…

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Q: Question 16 What is a radioactive decay?     a. Releasing of electromagnetic waves from chemical…

A: Radioactive decay is a process in which an unstable atomic nucleus undergoes radioactive decay to…

Q: H-2 is a stable atom. However, H-3 is a radioactive element. Give the reason.

A: Hydrogen (Z=1) element having  three Isotopes named as Hydrogen, deuterium and tritium.

Q: 11C decays by positron emission. Balance the nuclear equation by giving the mass number, atomic…

A: 11C decays by positron emission. 6C11    --->      5B11   +     +1ẞ0   Or 6C11 --->  +1e0  +…

Q: 238U → 234TH + He 92 90 3. How many protons and neutrons are found in the uranium isotope used…

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Q: QUESTION 5 Which particle below, if lost from the nucleus, will not result in a change in the atomic…

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Q: Uranium-238 emits an alpha particle. The new nucleus that forms has a mass number of and an atomic…

A: Atomic number of Uranium = 92 the alpha particle is H24e.

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: The question is based on radioactivity and half-life. We have to complete the given table

Q: Above what atomic number are there no stable isotopes of any element? 20 89 83 92 40

A: Atomic number 92

Q: Which pair of words go together?   a. hydrogen, Hiroshima   b. uranium, Nagasaki   c. atomic,…

A: Fusion reaction can be defined as the process in which two lighter atomic nuclei combine together to…

Q: List the number of protons, neutrons, and nucleons (protons + neutrons), in that order, for an…

A: Given:

Q: Name 20-Ne 22-Ne 35-Cl Element name 100 Notation 80 A Z P N

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any…

Q: Using the periodic table, what is the element in period 5 with no stable isotopes? Please explain…

A: Technetium is a chemical element  with the symbol Tc and atomic number 43. It is the lightest…

Q: Identify for an atom of 32S: element name: _____________ Z, atomic number = ____ A, mass number =…

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Q: OVERVIEW- In order to monitor certain bodily functions, patients are sometimes given radioactively…

A: In a neutral atom, Atomic number = Number of protons = number of electrons Also, in an atom or ion,…

Q: Question 4 In the balanced nuclear equation for beta emission of Th-234 the atomic number of the…

A: In beta emission, the particles are high energy electrons and these electrons are not attached to…

Q: What is the zone of stability? What are three decay processes that help an isotope get to the zone…

A: Zone of stability or band of stability is the region in the plot of number of protons versus number…

Q: Draw the major product for the reaction below. If you did this reaction at room temperature, which…

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Q: In an atom, the mass number gives the number of ________ and _________ in the nucleus. Fill in the…

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Q: From the list below, choose the atoms that ONLY have radioactive isotopes. Gold Curium Bismuth…

A: Radioactivity is the property of certain atoms to spontaneously emit particles and/or energy from…

Q: Gold has one stable isotope, whichis gold-197, with an atomic mass of 196.97amu. A 14k (14-karat)…

A: Given:   Mass of 14k gold =  5.00-g  Gold percentage  = 58.3%  Other metals        = 41.7% To find:…

Q: Write the decay equation for Po-218, which decays by alpha decay. Write your mass number first, then…

A: A question based on alpha decay, which is to be accomplished.

Q: Identify for an atom of 9Be: element name: _____________ Z, atomic number = ____         A, mass…

A: Give the answer for 9Be atom= ?

Q: Complete the following table: Symbol #of Protons #of Electrons # of Neutrons "He 20N 2 27A

A: 1) The ion given is 4He+. Since the atomic number of He is 2. Hence number of protons = atomic…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.