An unknown metal is found to have a density of 19.300 g/cm³ and to crystallize in a body- centered cubic lattice. The edge of the unit cell is found to be 0.28864 nm.

Q: Radon-222 releases an alpha particle. What element results and what is its mass number

A: Let us understand the problem at first The atomic number of radon-222 is 86 and the mass number is…

Q: What is the decay constant of an element with a half-life of 2.73 x 105 years? 7.76 x 10-14 s 7.15 x…

A: Given that:The half life of an element ist1/2=2.73×105 years

Q: Q4) If p(r) = P. R=rA3, a=0.545 fm, and Po = 0.165 nucl/fm³ Calculate and draw the density…

A: Mass Number: The mass number of a nucleus is the sum of the total number of protons and neutrons…

Q: What is the approximate size (cm) of a nucleus?

A: The  nucleus is found at the center of an atom. It consists of proton and neutron inside it. In 1911…

Q: 1- The atomic weight of lithium is 6.941. It has two natural isotopes, "Li and 'Li, with atomic…

A: This ques 1 is from nuclear physics.

Q: A) Calculate the binding energy per nucleon of helium (He,) assuming its atomic weight = 4.0026025…

A: Part 1 ... In He there are 2 protons and (4-2) = 2 neutrons. Now mass of proton = mp =1.0072764 amu…

Q: After a nucleus undergoes four gamma decays, its’ atomic number   A. decreases by 8   B. does…

A: Given data: Nucleus undergoes four gamma decays Required: Change in atomic number of nucleus

Q: a) Determine the binding energies of the following nuclides: ?H, ³He, and 4He.

A: (a) The expression to calculate the binding energy E1 of the deuterium H2 can be calculated as,…

Q: Bismuth, with atomic number 83, chemical symbol Bi, has a variety of isotopes (none of them are…

A: Mass number of Bismuth atom given is 210. Atomic number of Bismith atom is 83. Then Neutrons number…

Q: subjecte bi Chemists studying these elements and the periodic table predict that stable elements may…

A: From passage, element with atomic number 104 has half life of 70 s and half life decreases with…

Q: Beta decay increases the number of protons thus changing the identity of the atom. True or false? An…

A: Given:- statement1:-Beta decay increases the number of protons thus changing the identity of the…

Q: Use (Figure 1) to estimate the total binding energy of Au. 79 Express your answer in mega-electron…

A: To Find :  Total binding energy of 79Au

Q: The nucleons comprise Z protons,-14 where Z is the atomic number of the * .element and so (A-Z)…

A: An atom of a nucleus consists of subatomic particles called nucleons. These nucleons are the protons…

Q: Elements that appear in the same column of the periodic table often share similar chemical…

A: Part(a) The path radius of the Ca+ ion. part(b) Identify the paths magnetic fieldB=0.552…

Q: Why do different isotopes of the same element have the same chemical properties?

A:

Q: Part 2: Rubidium-Strontium dating A geologist finds an old rock and wants to determine its age using…

A: Approach to solving the question: The formula for the radioactive decay of strontium-87 (87Sr) from…

Q: NUCLEAR DECAY 1. 14 .C→ 우a 14 top numbers totel = top total bottom numbers must = 2) 직2 u→ 날 He + 3)…

A: Given:  Different nuclear decay equations are given in which we have to find out One missing part.…

Q: Which choice below is best for the mass of 3-He? [helium with a mass number of 3] (7) Half-life (6)…

A: Hydrogen have three isotopes , hydrogen, deuterium and tritium  while hydrogen has two isotopes .

Q: 16 Find the radius of a nucleus of (a) 16 0 8 3.02e-3 (b) He 2 1.905e-3 X fm X fm 8 O and 4 He. 2

A:

Q: An element has an atomic number of 42 and a mass number of 105. Using your determination as to…

A: The atomic number (Z) of an element is the number of protons in its nucleus. The mass number (A) of…

Q: 13) Compute the approximate nuclear radius of bismuth (A = 25

A: The nucleus is assumed to be spherical and from experimental data, it was found that the density of…

Q: What do all isotopes of the same element have in common? How do they differ?

A: The isotopes are the elements which are same atomic number and different mass number.

Q: In the reaction n+ 12C → a ±? , what is the product nucleus?

A:

Q: 12) Compute the approximate nuclear radius of germanium (A = 70)

A: From experimental data, it was found that the density of a nucleus does not depend on the mass…

Q: What is the difference between nucleus and nucleon?

A: The nucleus of an atom consists of protons and neutrons at the center of an atom. The majority mass…

Q: The atomic mass of the 4He atom is 4.002603 u. Find the binding energy of the 4He nucleus

A: Given, mass of H4e is, M=4.002603 u mass of proton, mp=1.0727 u mass of neutron, mn=1.00866 u   So…

Q: Radon-220 has a half-life of 55.6 seconds. What are the odds that any particular Radon-220 atom will…

A:

Q: A parent atom decays and the daughter atom has one more proton than the parent. The most likely…

A: When negetive beta decay happened then as a result in daughter nucleus the proton is one more than…

Q: hen radium-226 (Z = 88) decays to radon-222 (Z=86), the other particle emitted is     an alpha…

A: Given information: The radium nucleus is, 88226Ra  This decays into radon nucleus, 86222Rn

Q: Half of the mass of a piece of wood just cut from a tree consists of carbon. The piece of wood emits…

A: Solution

Q: Atom A has a larger atomic mass than atom B. Does this mean that atom A also has a larger atomic…

A:

Q: When the isotope Bi undergoes beta decay, what isotope is formed?

A:

Q: Cobalt-60 emits a negative beta particle and the new nucleus formed is: O Iron-59 Iron-60 Nickel-60…

A: Given data: Initial nucleus = Cobalt-60 emits negative beta particle Required: The new nucleus…

Q: ____17. When an atom is a gamma ray emitter, the atom releases: ________________.  ____18. The time…

A: 17. When an atom is a gamma ray emitter, the atom releases photons   It can then decay to a lower…

Q: Find the radius of a nucleus of 160 and O and 4 He. 8 2 (a) (b) 16 8 'O 4 He 2 fm fm

A:

Q: What is the energy released when three alpha particles combine to form 12C?

A: Given: Mass of C12 is mC=12u. Mass of alpha particle mHe=4.0026u.

Q: half-life of element

A: Given: Half life time of an element X is t12=500 years Initial mass of element is 8 g Find: Final…

Q: What forces hold a nucleus together?

A: Given:What forces hold a nucleus together.Answer: (strong force)Now,The force that holds the nucleus…

Q: 7. Copper-64 emits a beta particle and the new nucleus formed is: O Nickel-65 O Nickel-64 Nickel-63…

A: Factual information :  Copper-64 on beta decay forms Zinc-64.