Why are atoms, neutrons, and protons not considered elementary particles? and why is electrons considered as one?

Q: In what ways are isotopes are alike? In what ways are they different?

A: Isotopes are the atoms of same element having the same atomic number.

Q: 1.Which of these is a description of nuclear fission?

A: A is correct option.

Q: 2.65 How many protons and neutrons are in the nucleus of the following atoms? (a) 27A1 (d) 207PB (b)…

A: a) 27Al The atomic number of Al is 13. Its mass number is 27. Number of protons is equal to the…

Q: What are the physical and chemical properties of subatomic particles? (please provide many answers)

A: Answer -  Subatomic particles - subatomic particles are smaller than atoms. They can be composite…

Q: What is the difference between an α particle and a helium atom?

A: The difference between an α particle and a helium atom has to be given,

Q: What is the mass number of an isotope with an atomic number of 56 and that has 75 neutrons?

A: Mass number is the atomic mass of an atom. It is the sum of no of protons and no of neutrons present…

Q: The nuclear glue that helps bind a nucleus is the? A. Alpha B. Electron C. Neutron D. Proton E. Beta

A:

Q: What is the symbol for an atom of Cd that has 13 extra neutrons and what is that called ?

A: Cd is present alongwith Zn and Hg i.e. it is kept in d-block although it is not a typical d-block…

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: stable isotopes, with low atomic numbers, have a N/Z ratio of 1. What does that imply

A: N/Z ratio - It is the ratio of the number of neutrons to the number of protons of the nucleus of an…

Q: Compare and contrast the three primary particles contained in atoms

A: Atom is a smallest particle which cannot be further divided   Atomic particels  atoms consist of…

Q: What is the mass number for an atom of barium containing 56 protons and 80 neutrons?

A: Atomic number = Number of protons  Mass number = Number of protons + number of neutron Given that:…

Q: Where are protons and neutrons located in an atom?

A: Where are protons and neutrons located in an atom has to be stated.

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: Which particle, if lost from the nucleus, will not result in a change in the atomic mass number?

A: Which particle, if lost from the nucleus, will not result in a change in the atomic mass number?

Q: What is the mass number for an atom of calcium containing 20 protons and 21 neutrons?

A: The mass number of an element is the sum of the number of protons and the number of neutrons of that…

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

A:

Q: Calcium-45 has too many neutrons compared to the number of protons. Because of this, it will most…

A:

Q: For a beta (β) particle, give the number of protons:  neutrons: electrons:

A: Answer  Beta particle have -1 charge and same as the electron

Q: Determine the number of protons and the number of neutrons in isotope. 2311Na

A: The number of protons and the number of neutrons in isotope 2311Na can be identified as, Atomic…

Q: atomic number 119 and mass number of 252  where would this element be placed? What period would it…

A: Ununennium   Ununennium, also known as eka-francium or element 119, is the hypothetical…

Q: A sample of the nonexistent element mythium consists of 25.59% of an isotope with mass number 580,…

A:

Q: How many electrons would it take to equal the mass of a helium nucleus?

A: The helium atom has 2 protons, 2 neutrons and 2 electrons. The mass of helium nucleus depends only…

Q: What caused the deflection of the alpha particles in Rutherford’s gold foil experiment?

A: What caused the deflection of the alpha particles in Rutherford’s gold foil experiment?

Q: Radon is a radioactive gas that can cause lung cancer. It has been detected in the basement of some…

A: Atomic number of radon Rn = 86  Mass number of Rn-220 = 220

Q: the mass of a single atom of iron-56 is 55.93494 amu. Why is this number different from the mass of…

A: Actual mass of nucleus is always lesser than the total mass of it's constituting element proton and…

Q: What is the difference between protons and neutrons?

A: We have to write the difference between protons and neutrons.

Q: Of the particles below which one, if lost from the nucleus, changes the atomic mass the greatest? O…

A: The particles are defined as follows --- Proton: The symbolic expression of proton is H11 which has…

Q: number of protons, neutrons, and electrons

A:

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: Indi cate of protons and neutrons in the following nuclei: the number b) 201 Hg

A:

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 are the three basic parts of the nuclear theory of the atom?

A: The nuclear theory of the atom is given by Rutherford which has the following basic parts. In the…

Q: Does an isotope have the same number of protons or neutrons?

A: Isotopes = Element with same Atomic No but different atomic mass are termed as Isotope  e.g. Two…

Q: An isotope with atomic number 64 and mass number 158 is found to have a mass ratio relative to that…

A: Given An isotope has an atomic number of 64 and mass number of 158 It has a mass ratio of 13.16034…

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: An isotope of uranium is 238U. How many protons, neutrons and electrons are in this isotope?

A: Atomic number (Z) is defined as number of protons present in an atom.  In a neutral atom number of…

Q: Which particle, if lost from the nucleus, changes the atomic mass the greatest?   a. proton   b.…

A: b. alpha particle

Q: Which elementary particle is the heaviest O electrons O protons O They are all identical Neutrons

A: Electrons, protons and neutrons are fundamental particles present in an atom.

Q: An atom of a carbon-14 isotope would contain how many protons, neutrons, and electrons?

A: The correct answer is given below

Q: What is the mass number of an isotope with an atomic number of 57 and that has 72 neutrons?

A:

Q: Caused large deflections of alpha particles in Rutherford's experiment  a. proton b. neutron c.…

A: The work of Rutherford is well known among all the scientist due to his approach to establish the…

Q: 14 Which types of subatomic particles are found inside the nucleus of an atom?

A: Any atom is  made of three kinds of subatomic particles : Proton, positively charged Neutron, is…