What was the outcome of cathode ray experiment?

Q: Define the term atomic nucleus?

A: Atoms are the building blocks of any matter. The composition of the atomic nucleus gives information…

Q: What are Radioactive Isotopes ?

A: The term isotope is defined as two or more form of the same element which differs in the number of…

Q: Describe a cathode-ray tube and how it operates.

A: A cathode ray tube (CRT) is a specialized vacuum tube in which images are produced when an electron…

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 alpha particle radioactive decay the mass number of the decaying nucleus does not change. True…

A: The alpha particle radioactive decay can be written in form of a reaction as follows:

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: What are the nuclear radiations (name them)?

A: The forms of elementary particles or photons that are emitted from the nucleus of an atom during a…

Q: nuclear symbol

A:

Q: 24. What is the mass number of an isotope?

A: The chemical element consisting of the same number of electrons and protons in an atom but a…

Q: Image a chemist was trying to create a stable isotope with 60 protons and a mass number of 155.…

A: The nucleus consists of protons and protons that are responsible for the overall mass of the atom.…

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

A: Alpha particle is a helium nucleus.  When a nucleus emits alpha particles, it undergoes decrease in…

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

A: Mass of one neutron = 1.0073 amu  Mass of one proton = 1.0087 amu  50Sn117 has 50 no. of protons and…

Q: . Given 24/14 Si, a) Find the number of protons, electrons and neutrons in the neutral atom.

A:

Q: QUESTION 5 Which particle below, if lost from the nucleus, will not result in a change in the atomic…

A:

Q: A typical diameter for a newly formed neutron star is

A: A typical diameter for a newly formed neutron star is

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: Discuss the idea of radioactive neutron source giving some examples.

A: answer- Neutrons may be emitted from nuclear fusion or nuclear fission, or from other nuclear…

Q: Uranium – 237 undergoes beta emission. Circle the correct resultant nucleus:

A: A beta particle is denoted by: -1   0e

Q: I believe the answer is alpha particle but feel a could be wrong.

A: Here you posted a incomplete question so i answer it on a general basics , If you want the answer…

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

A:

Q: What is Radiation?

A: Electromagnetic radiations Electromagnetic radiations are the collection of different forms of…

Q: Rutherford bombarded a gold foil with alpha particles. Describe what he observed and what did his…

A: Rutherford bombarded a gold foil with alpha particles which are positively charged particles and…

Q: Explain how the cathode ray was discovered.

A: Cathode rays are the beam of electrons that are observed in vacuum tubes. They are also called…

Q: Part A Kr-74 Express your answer as a nucle

A: According to the question, we need to determine which modee of decay will the unstable nuclides…

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

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

Q: stable

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

Q: What is the mass of the isotope is arsenic-73

A: The correct answer is given below

Q: A representation of an alpha particle would be

A: The alpha particle, released in nuclear reaction, has the high energy, and the atomic number and…

Q: An alpha particle has a mass number of ____ and a charge of ____.

A:

Q: WHAT IS THE NUCLEAR MASS AND NUCLEAR DENSITY OF plutonium?

A: We have to write the nuclear mass and nuclear density of plutonium .

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: Why gamma rays emission cannot result in the formation of a new element

A: A gamma ray, or gamma radiation (symbol γ ) is a penetrating form of electromagnetic radiation…

Q: In ______, an _ particle (identical to a helium nucleus of two protons and two neutrons) is ejected…

A: A radioactive decay in which alpha particle decays into another nuclei with a mass number reduced by…

Q: Which element was used in alpha ray experiment?

A: The alpha ray experiment was first performed by the Rutherford. In this experiment, Rutherford…

Q: WHAT IS THE NUCLEAR MASS AND NUCLEAR DENSITY OF GOLD?

A: Nuclear mass The mass of an atomic nucleus, measured in atomic mass units, is less than the total of…

Q: Why are electrons in a cathode-ray tube deflected by electric fields?

A: Given information,    The electrons in a cathode-ray tube deflected by electric fields

Q: What is the ratio of density of the nucleus to that of water?

A: The density of a substance is given as  mass per unit volume. i.e density = mass/ volume

Q: Complete the following by placing the missing words correctly. The atomic theory was given by + .…

A: Atomic theory is given by dalton.proton is a fundamental particle.

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

A:

Q: Describe cathode ray tube experiment and draw its diagram

A:

Q: Lead block (+) (-) Radioactive substance Electrically charged plates Photographic plate

A: Rutherford experiment:

Q: Define atomic number, atomic mass, atomic weight, isotope, and radioisotope.

A: Definition is as below-

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: 5. An atom of 41Ca is hit by an alpha particle that sticks to it. a. What is the atomic number of…

A: Alpha particle : 24He

Q: 10. Why is the temperature of cosmic background radiation important to the Big Bang theory?

A: The Big Bang theory is the prevailing cosmological model explaining the existence of the observable…

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.