During a nuclear decay a 238U atom can break apart into a helium-4 atom and one other atom. Assuming that no subatomic particles are destroyed during this decay process, what is the other element produced?

Q: Which of the following processes decreases the atomic number by two?   A) gamma-ray production B)…

A: Since the atomic number is decreased by 2 Hence it means the atomic number of the particle produced…

Q: Explain how you can predict whether or not an isotope is likely to be stable ifyou know its number…

A: An atom consists of two major parts i.e. re nucleus and electrons. A nucleus is concentrated at the…

Q: What is the primary factor that determines whether an nucleus is stable or unstable?

A: The nucleus is the small region that lies at the center of an atom. It is discovered in 1911 by…

Q: The mass defect for a neon-22 nucleus is -0.190856 g/mol. Calculate the atomic mass (in u) of…

A: mass defect can never be negative therfore for the calculation the value should taken as positive.

Q: how many nucleons are there in 56^Fe

A: An atom is mainly composed of three sub-particles; electrons, protons and neutrons. These particles…

Q: Why is ⁴⁰₂₀Ca the most stable isotope of calcium?

A: The atoms of the same element which have the same atomic number but different mass number are called…

Q: 2. Use the following isotopes to answer the following 17 F, 135 Cs, 55 214 Po 84 write the nuclear…

A: Nuclear decay reaction: Also called as, Radioactive decay. It is reaction in which Radioactive…

Q: The radioactive element francium undergoes a series of nuclear decays, eventually forming a stable…

A: Alpha DecayXZA - H24e  → YZ-2A-4          ↓         ∝Beta decaye.g C614   - e-10    → N714

Q: a. Choose an element with at least three stable nuclides. Element name: b. Write the isotope symbols…

A: isotopes are group of atom which have same atomic number but different mass  number due to…

Q: 4. The equation shows the radioactive decay of iodine-131. 131 131 Xe +particle 54 53 What is the…

A: I53131→X54131e+Particle Notation of nuclear reaction As we see in the above radioactive decay the…

Q: Starting with SEVEN TONS of the ore of pitchblende, Pierre and Marie Curie isolated a few milligrams…

A: Polonium-218 is a radioactive element. It can undergo both alpha and beta decay. Alpha decay is a…

Q: What do we call the nuclides having same mass number? [A] Isotopes [B] Isobars [C] Isotones [D] Such…

A: Each atom can be divided into three sub-atomic species: Neutrons, Protons and Electrons. The atomic…

Q: What is the molar mass of 20% enriched uranium (assume only two isotopes present: 235U and 238U)?

A: 20% enriched uranium means it contains  235U = 60% AND 238U = 40 %  Thus  molar mass…

Q: stable

A: Hydrogen consists of three isoptopes namely protium, deuterium and tritium. Protium consists of one…

Q: 2. Use the following isotopes to answer the following 17 F, 9 88 Sr, 135 Cs, 55 100 Sn, 50 214 Po 84…

A: Since you have posted multiple questions, we will answer the first question for you. Kindly repost…

Q: The following nuclear equation shows a plutonium target being hit by an alpha particle forming…

A: Given nuclear reaction of plutonium being hit by alpha particle to produce curium-243 and finally…

Q: 2. Use the following isotopes to answer the following 17 F, 88 Sr, 135 Cs, 55 100 Sn, 214 Po 84 38…

A:

Q: 244Pu undergoes radioactive decay, emitting 4 alpha particles and 5 beta particles. What is the…

A: An alpha particle is equivalent to a Helium atom A beta particle is similar to an electron

Q: 4. Complete the following nuclear equations (fill in any missing numbers - don't forget to find the…

A: Concept: In a nuclear reaction the Atomic Mass number of reactants and products are conserve.  Alpha…

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: which extra particle is an isotope cause it to be unstable

A:

Q: Pb undergoes four decay reactions: ß, a, ß, ß. Step 1. 214Pb undergoes ß decay to give “Bi 82 Step…

A: Given,

Q: 209Bi is the heaviest stable isotope of any element. How many protons and neutrons are present in…

A: The given data contains atomic mass of Bismuth is 209.

Q: The radius of Uranium-238 nucleus is about 7.44 × 10-3 pm. Calculate the density of the nucleus (in…

A: Given: The radius of uranium-238 =7.44×10-3 pm Atomic mass of uranium = 238 amu

Q: . An unstable isotope that lies under the stability curve of the nucleus will emit.... a.…

A:

Q: True or False: The ratio of unstable isotopes to stable isotopes is part of absolute-age dating.

A: There are two methods of dating: 1) Relative age dating 2) absolute age dating Relative dating- It…

Q: Why does Sodium (Na) have fewer stable isotopes than Magnesium (Mg)?

A: The stable isotopes of an element depend on n/p ratio, if n/p close to 1 then it is likely to be…

Q: Write the following isotopes in nuclide notation (e.g., "14/6 C")(a) oxygen-14(b) copper-70(c)…

A: Isotopes are the species which contain different number of neutrons but same number of protons and…

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: Balance this nuclear reaction supplying the missing nucleus Replace each question mark with an…

A:

Q: How many neutrons are emitted when a californium-249 nucleus (Z=98) is bombarded with a carbon-12…

A: In this question , we have given that californium is bombarded with a carbon - 12 nucleus which…

Q: Which nucleus completes the following equation? 212Rn → He+? O A. 208 Po B. 212 Po C. 216Ra D. 208…

A:

Q: (a) Suppose 20 Ne is struck by an alpha particle, releasing a proton and a product nucleus in 10 the…

A: Nuclear chemistry is a branch of chemistry which deals with the reaction that is taking part in the…

Q: What is the radioactive particle released in the following nuclear equation? 90Sr38 90Y39 + The…

A: To solve this problem we have to know about the given nuclear equation .

Q: Consider to isotopes Fe-54 and Fe-56. a. write the nuclear symbol for both isotopes. b. how do…

A: The given isotopes of iron are - Fe-54 and Fe-56 In the given information Fe represent the atomic…

Q: The first six elements of the first transition series have the following number of stable isotopes:…

A: Sc, V, Mn are called mono-isotopic elements.

Q: Which of the statements are true of nuclear reactions? a. The number and types of atoms are the…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: NUCLEAR CHEMISTRY: Consider the nuclei 1150 Sn. Determine its mass defect in kilograms if its atomic…

A:

Q: What are the two types of isotopes? * raw and edited compressed and uncompressed stable and unstable…

A: 1. Isotopes are elements having the same atomic number ( no.of protons ) but have different atomic…

Q: Which of the following isotopes is most likely to be unstable?a) 2010 Neb) 7237 Rbc) 168 Od) 115 Be)…

A:

Q: The formation of krypton from rubidum decay is a result of ______. A) alpha emission B) beta…

A: Alpha decay- It is type of radioactive decay in which an atomic nucleus releases an alpha particle…

Q: -14 is an isotope used to perform radioactive dating tests on the complete symbol for this isotope?…

A: Isotopes have same atomic number but different atomic mass.  17) Complete symbol of Americium-241 =…

Q: Write the following isotopes in nuclide notation (e.g., " 6 14C" (a) oxygen-14 (b) copper-70 (c)…

A: • The given isotope is oxygen-14 which states that the mass number of oxygen-14 is 14   • Oxygen is…

Q: a.) Be-7 decays by gamma emission. What are the atomic symbol and mass number of the product? b.)…

A:

Q: Barium -142 would have how many neutrons in its nucleus

A:

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.