What is the mass of an electron?a) 1.67x10-24g b) 1.67x10-24 X (1/1837) c) 9.11 x10-28Kg d) 1.67 x10-28g

Q: 5. An element with a mass number of 1 l and an atomic number of 5, how many neutrons does it have?…

A: 5.  Number of neutrons = mass number - atomic number                                   = A - Z…

Q: Briefly describe the experimental basis for believing that the nucleus occupies a very small…

A: Rutherford had the gold foil experiment where he bombarded alpha particles on a thin sheet of gold…

Q: Given the following diagram, indicate the nucleus using atomic notation. Express your answer as a…

A: The given element contains: Neutrons, n = 30 Protons, p+ = 25 Electrons, e- = 25 Since the element…

Q: Choose the particle having a relative mass of 0 amu and a charge of +1. Group of answer choices…

A: Answer

Q: 85 11. For the Isotope 38Sr A. What is the atomic number? B. What is the mass number? C. What is the…

A: The given symbol for isotope is 8538Sr A) The atomic number is represented by the subscript.     The…

Q: When an electron moved from .6 low level energy to high level ,energy Emitted radiation Absorbed…

A: Solution :      Electron emission is the process of the escape of an electron from the surface by…

Q: 10. For the Isotope 6731Ga A. What is the atomic number? B. What is the mass number? C. What is the…

A: Question 10: Given isotope is: 6731Ga. What is its atomic number? What is its mass number? How many…

Q: Complete the following and state the type of radiation particle emitted. Show all wor 234Th > He +…

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Q: Gallium occurs naturally as 69Ga and 71Ga. Given the mass and abundance of gallium-69 (68.92 amu…

A: Given, Gallium occurs naturally as 69Ga and 71Ga and mass and abundance of gallium-69 is 68.92 amu…

Q: . In the context of radioactive decay, the electrons emitted from the nucleus are usually called…

A: Radioactive decay is a process in which unstable nucleus loses energy by radiation.

Q: m. 29Cu + on → 63, 64

A: Nuclear chemistry: Neutron --------> proton + -1βo  When Addition of neutron (0n1) to nuclide( z…

Q: Alpha Decay (Emission) Beta Decay (Emission) Drag &Drop Drag &Drop Drag your selection over this box…

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Q: Question 1. Match the following. a. Alpha particles b. Beta particles c. Positrons d. Gamma rays e.…

A: a) Alpha particles → Helium nuclei b) Beta particles   → Same as electrons for β- and Opposite of…

Q: What is the atomic mass of boron-12? A. 13.00335 amu B. 4.00260 amu C. 18.99840 amu D. --…

A: Since boron has atomic number = 5  Hence number of electrons in boron = 5 and to become neutral atom…

Q: "he following nuclear reaction is known to occur: 2 7H → He This reaction is used in the fusion bomb…

A: Given 2 H12   →   H24e Mass of proton = 1.00782 amu Mass of Neutron = 1.00867 amu Mass of electron =…

Q: Which of the following does not describe beta particles? A. Beta particles can be stopped by a sheet…

A: Beta particle (β) is a type of high speed radiation with a negative charge.

Q: Part B Write the isotope needed, by identifying A, Z, and X, to balance the following nuclear fusion…

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Q: Describe en application of each of the following isotopes: a. techne tium -99m b. Xenon - 133

A: Isotopes mean the atoms of the element containing different mass numbers. There is same number of…

Q: For the 19O2- Isotope identify the number of Protons,  Neutrons,  Electrons

A: For a general element, XZA Z- atomic number = number of protons A- mass number = number of protons +…

Q: Results of Firing Alpha Particles at Gold Foil Observation Proportion: Alpha particles went straight…

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Q: Question 3 What factor determines if an isotope will spontaneously emit radiation? Group of answer…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: beta particle is a high energy nucleus that contains two protons and two electrons. A True (B False

A: Which one is correct

Q: 3. Each of the items below describes a type of radiation. Write a if it describes an alpha particle,…

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Q: Which of the following is incorrectly matched? neutron : -1 atomic mass unit (amu) neutron : located…

A: A chemical element is made up of atoms, the smallest unit of ordinary matter. Atoms, whether neutral…

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 atom with atomic number 7 and a mass number of 14 is identical to an atom with atomic number of 6…

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Q: How do you compare the size of an atom to the size of its nucleus (make numerical comparison)?

A: An atom is composed of nucleus and extranuclear portion. Nucleus contains protons and neutrons while…

Q: (1) The radioactive isotope iodine-131 is used in medical imaging as indicated on the table above.…

A: The table details the types of radioactive decays by different isotopes.

Q: A0.500 g sample of rock was found to have 2.45 × 106 mol of potassium-40 (t1/2 = 1.3 × 10° yr) and…

A:

Q: Nuclear decay can be useful.  Generally, the radiation interacts with other matter in a specific…

A: We only answer up to 3 sub-parts of multipart question. Please resubmit the question with other…

Q: What is the mass number of an atom with 10 neutrons, 8 protons and 8 electrons? -26 -10 -16 -18

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Q: When atoms of aluminum-27 are bombarded with alpha particies, a neutron and en element are produced.…

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

Q: Create a table showing how each type of radiation affects the atomic numberand the mass number of an…

A: Given information,      Different types of radiation affects the atomic number and the mass number…

Q: 8. The Table below lists information about two common types of nuclear radiations. Fill in the…

A: A matter and energy can be differentiated based upon whether the mentioned particle has mass or…

Q: 10. Electron-capture which is also called K-Capture is associated with a) Conversion of a neutron to…

A: Xdhdhh

Q: How many times more massive is 68Ni in comparison to 12C?

A: The mass of nickel is 68 and the mass of carbon is 12. The factor by which nickel is more massive in…

Q: 4 The smallest unit of 5. The nucleus is foun

A: the nucleus is found at the centre of the atom

Q: A 1H atom has a mass of 1.673533 10–24 g, while a neutron has a mass of 1.674927 10–24 g. A…

A: Given, A 1H atom has a mass of 1.673533 10–24 g, while a neutron has a mass of 1.674927 10–24 g. A…

Q: 8. The formation of krypton from rubidium decay is a result of A) alpha emission B) beta emission C)…

A: As you have posted multiple questions in a single request, we will solve the first question for you.…

Q: An alpha particle   a. is least ionizing b. travels with speed of light c. can be stopped by a piece…

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Q: A undergoes alpha emission to D. Dundergoes beta emission to X. Xundergoes alpha emission to Z. If A…

A: We have to predict the Atomic number of Z.

Q: Sulfur has four naturally occurring stable isotopes. The onewith the lowest mass number is…

A: Introduction: As we know, Atomic mass =∑isotope mass +% Isotope abundance100 We know there are four…

Q: 2. If a nucleus captures an alpha particle and then emits a beta particle a. its atomic number…

A: general equation for α emission AZX→A-4Z-2Y +42He +Energy so due to alpha emission four units of…

Q: What model of nucleus was used to explain reaction of fission? Rutherford planetary model Plump…

A: The detailed solution of your question given below_ The reaction of fission is successfully explain…

Q: Which one travels smallest distance? a. beta radiation b. gamma radiation C. alpha radiation d.…

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Q: 4221Sc      which is the correct choice for the radioactive isotope listed above a)Its atomic…

A: The given nuclide is 4221Sc. In this 21 indicates the atomic number. 42 indicates the mass number.…

Q: 30. Based on the given data, which of the subatomic particles is the lig Particle Charge Mass (kg)…

A: Atomic number = number of proton, Atomic mass = no. of proton + no.of neutron