changes saved Based on the band of stability, what is the approximate neutron to proton ratio for vanadium (atomic number 23)? 120 110 149 100 90 80 70 60 = 128 50 40 Fe 30 1.15 20 Neutrons

Q: 1 “Isobars” are isotopes of different elements having the same mass number. Write the isotopic…

A: The two isobars given are  1) K-40 2) Ca-40

Q: 12 Find the radius of a nucleus of C and 6 (a) (b) 12 C 6 238 92 U fm fm 238 92 U.

A: Given : symbol of atoms

Q: < Question 21 of 46 What is the atomic number for an element whose mass number is 78, which contains…

A: mass number = 78number of neutrons = 50atomic number for an element = ?Note:• Mass number: it can be…

Q: The radioisotope Cf-251 will decay through Periodic Table of the Elements hydrogen H 13 14 15 16…

A: Gamma decay will be there .

Q: 4 An element has an atomic number of 45 and a mass number of 105. Using your determination as to…

A: The element with the atomic number 45 is Rhodium(Rh). Given the mass number of Rhodium(Rh), A = 105.…

Q: 10. americium-241, alpha 11. cesium-137, beta minus + 12. sodium-22, beta plus В +1 + +

A: The decay process involves the breaking of a heavier nucleus to furnish one or more daughter nuclei…

Q: How many nucleons are there im  40^Ca

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

Q: How many neutrons are emitted when a uranium-238 nucleus (Z = 92) is bombarded with a deuteron (?H)…

A:

Q: The type of nuclear decay an unstable nucleus will undergo depends on its ratio of neutrons to…

A: Given  For Co - 65    n/p     = 1.41  Changes if this ratio is reduced = ?

Q: 15. Use the semiempirical mass formula to obtain an expression for the two-neutron separation energy…

A:

Q: 90 91 92 93 94 95 96 97 98 99 100 101 *Actinides Th Pa Np Pu Cm Bk Es Fm Md 232.0 (231) 238.0 (237)…

A: a. The third element is group 4A is germanium. b. Element number 114 is Flerovium. c. An element…

Q: The radioisotope carbon-11 will decay through Periodic Table of the Elements hydrogen 1 H 13 14 15…

A: The radioisotope C-11 has 6 protons and 5 neutrons in its nucleus. The n/p ratio = 5/6 ~ 0.833

Q: Sr-90 has [ Select ] neutrons than Y-91

A:

Q: A sample containing 1.00X 10 stored for 135 day s will remain at the end of the storag e period of…

A: Reaction in which rate is linearly depend upon one reactant is known as first order reaction.

Q: In radiometric dating, as the parent atom decreases by 50%, the daughter atom increases by 75%. True…

A: Radiometric dating is used to determine the age of rocks.

Q: If rubidium has an emission line at 1.28 X 106 m and ng is 3, what is the initial energy level? 6.…

A:

Q: 29 3. What information cannot be determined from the symbol notation 14Si? O the atomic mass O the…

A: The symbol notation given is

Q: What pattern do you notice? What's similar about most of the radioactive elements?

A: There is an obvious pattern to look for: Atomic number increases as you move right along a row.…

Q: hen an iron core reaches a mass so large that even degenerate electrons can no longer support it and…

A: degeneracy pressure halts the collapse

Q: QUESTION A certain amount of a hypothetical monoatomic element X was put into a mass spectrometer.…

A: Each isotope has a specific peak generated in mass spectrum.  Hence number of isotopes of an element…

Q: An element has an atomic number of 41 and a mass number of 81. Using your determination as to…

A:

Q: The radioisotope 3516S will decay through

A: For the stablity of nucleus N/P ratio for lighter nuclei must be equal to 1. And unstable nuclei…

Q: 238,,U +15n - What element is synthesized from the reaction: > 70-1B + 253 85At 25399Et 146 100FM…

A: XAZ , X is any element.A is atomic number.Z is atomic mass.(Z-A) is number of neutrons in…

Q: Which atoms have the same mass number? Explain the answer.

A: ANSWER IS DISCUSSED BELOW :

Q: What fundamental force is responsible for holding together the subatomic particles of an atomic…

A: There are various physical forces acting all around us. Four fundamental forces are listed below:…

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

A: Given:

Q: 1. Direction: Complete the table by providing the missing information. Atomic Mass Elements Number…

A:

Q: Question 19 20 pts Harry Moseley's discovered that an element's dominant X-ray spectral lines…

A: The correct answer to the question based on Harry Moseley's discovery is "an element's atomic number…

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.