5. An atom of 41Ca is hit by an alpha particle that sticks to it. a. What is the atomic number of this new atom? b. What is the atomic mass of this new atom? c. What new element has been formed?

Q: Which of the following particles would attract each other? Would repel each other?

A: The answer for first question is given below. Kindly repost the other questions as separate…

Q: ng radioactive isotopes is the most stable

A:

Q: understanding

A: Dear student I have given answer to your question in the image format.

Q: 1. Write the X notation for the particle formed from the position emission by the 207 Po nucleus. 84

A: Positron emission is the type of emission in which positive charge is emitted and atom is…

Q: Why are some atoms radioactive?

A: The radioactive nuclei are unstable and have an excess number of either protons or neutrons in the…

Q: beryllium has a nucleus composed of protons and neutrons. Given the data, how many protons are in a…

A: Beryllium (Be) is an element with group number 2 and period number 2.  The atomic number (Z) of…

Q: -In deuterium, number of neutrons are А. 3 В. 2 С. 1 D. 0 -In an atom, number of protons and…

A: Atomic number of element is equal to number of proton present in element.

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: 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: Electron capture leads to the: (A) emission of an electron from the second shell in an atom. B…

A: Electron capture leads to ?

Q: Why did Rutherford think that there was a nucleus in the middle of the atom surrounded by space?…

A:

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: For the Isotope 8538SrA. What is the atomic number?B. What is the mass number?C. What is the number…

A: a) for 8538Sr  Atomic number = 38  as atomic number is always written in lower left of the element…

Q: What is the meaning of half-life of an isotope. Explain with the help of an example

A: What is the meaning of half-life of an isotope. Explain with the help of an example

Q: The atomic masses of hydrogen-2 (deuterium), helium-4, and lithium-6 are 2.014102 amu, 4.002602 amu,…

A: Atomic masses hydrogen, H = 2.014102 amu

Q: B) Draw a diagram of this radiation going through paper, aluminum, and lead.

A: When Bismuth-206 undergoes alpha decay, it will generate alpha particles. Alpha particles are…

Q: Who presented the idea of neutron particle in nucleus? Frederic Soddy Ernest Rutherford Niels Bohr O…

A:

Q: protons and neutrons in a nuclear change is correct? a-The number of protons in the number of…

A: In balanced nuclear reaction,  Number of protons and mass number in reactant side is equal to number…

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

A: The general representation of nucleus and the atomic number and mass number of given element is,

Q: Use the concept of charges to explain why an alpha particle fired toward the nucleus is deflected…

A: Solution :      Rutherford's performed a gold foil scattering experiment to explain the structure of…

Q: What is a stable isotope of lithium? How many electrons does it have?

A:

Q: Tin-129 is radioactive and has a half life of 2.23 minutes. How much of a 3.00 mg sample would be…

A: We have to predict the amount of sample left

Q: 1. Strontium-90 emits an alpha particle and the new nucleus formed is:

A: The atoms of all radioactive elements undergo spontaneous disintegration with the emission of α or β…

Q: How is energy released from uranium atoms?

A: All nuclear power plants use nuclear fission, and most nuclear power plants use uranium atoms.

Q: What was the outcome of cathode ray experiment?

A: J.J. Thomson conducts cathode ray experiment in which two oppositely-charged electric plates are…

Q: ____15. All elements with an atomic number greater than ________ have big nucleus and have the…

A: Answer are as follows

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

A:

Q: Fill in the missing mass number and atomic number for each of these particles or types of radiation.…

A: There are different types of nuclear radiations. This a physical process in which the unstable…

Q: When a nucleus undergoes alpha decay, an electron is ejected from the nucleus.   True False

A: We all know that, when a nucleus undergoes alpha decay that means it's released helium particles.…

Q: 10. In what year did Albert Einstein prove the existence of atoms Ernest Rutherford do his Gold Foil…

A: it was Albert Einstein who, starting in his epochal year of 1905, published several papers that…

Q: Boron-10 is able to absorb neutrons and is therefore used in control rods in nuclear reactors. After…

A: Radioactive decay refers to the breakdown of an unstable nucleus to a stable nucleus with the…

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

A: The given table is the experimental analysis of Rutherford's gold foil eperiment, He sends a  narrow…

Q: What happens to the atomic number when the reactant nucleus becomes the product nucieus? What…

A: The atomic number and mass number remains the same during chemical reaction that is when reactant…

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: When an β (beta) particle is emitted, the atomic number a) increases by 4. b) decreases by 4. c)…

A: The reactions involving formation of new nucleus with emission of some radiation along with it from…

Q: 1. How do atoms attain stability?

A: Since you are posted with multiple questions. As per the rule, I am answering the first question…

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

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

Q: 1. Write the alpha decay reaction for each of the radioisotopes listed below. Each question is worth…

A: For alpha decay, atomic mass is decreases by 4 and atomic number decreases by 2

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: Beta emission from fictitious isotope Go-282 with an atomic number of 164 would produce an isotope…

A: We know that  In beta emission the electrons are ejected energetically this happens because the…

Q: 4) How many years old is a person who has lived for 1 billion seconds?

A: Given, A person who has lived 1 billion seconds the age of a person is:

Q: Which two new radioactive elements were discovered by Marie Curie?

A: Marie Curie is famous for her research in the field of radioactivity. She was the first woman who…

Q: (iv) What is the value of the nucleon number of this atom? (b) Write the appropriate numbers in the…

A:

Q: Which type of radioactive decay will decrease the atomic number by one and release two subatomic…

A: The property of a nucleus emitting α, β and γ rays is known as radioactivity and the substance…

Q: What is the mass number of a single nucleus formed when sulfur 30 and beryllium 8 fused together?…

A: Correct answer is (a) 38 S1630  + Be48  →  Ca2038  + γ-rays  Mass balance: 30 + 8 = 38. ( When alpha…

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.