The alpha particles are compact clusters of-------?

A. Electron and Proton

B. Two Protons and two Neutrons (Answer)

C. Three protons and three Neutrons

D. None

1 Answer

Answer :

B. Two Protons and two Neutrons (Answer)

Related questions

Description : When an atomic nucleus emits a beta particle, one of its neutrons disintegrates into one of the following set of particles. Does it disintegrate into: w) a positron and an electron x) a proton, an ... and an antineutrino y) a proton, an electron, and a positron z) a neutrino and an antineutrino

Last Answer : ANSWER: X -- A PROTON, AN ELECTRON AND AN ANTINEUTRINO 

Description : The antiparticle of an electron is – (1) Positron (2) Proton (3) Alpha particles (4) Beta particles

Last Answer : (1) Positron Explanation: Corresponding to most kings of particles, there is an associated antiparticle with the same mass and opposite charge (including electric charge). The antiparticle of the ... radioactive decay. The opposite is also true: the antiparticle of the positron is the electron.

Description : The following particles move with same kinetic energy. Which of them has maximum momentum? (1) Electron (2) Proton (3) Deutron (4) Alpha Particle

Last Answer : (4) Alpha Particle Explanation: The formula for kinetic energy in terms of momentum for fundamental particles is basically just a quantized version of the classical formula, KE=(P^2)/2m, where KE is kinetic energy, p is momentum and m is the particle’s mass.

Description : The antiparticle of an electron is (1) Positron (2) Proton (3) Alpha particles (4) Beta particles

Last Answer : Positron

Description : The following particles move with same kinetic energy. Which of them has maximum momentum ? (1) Electron (2) Proton (3) Deutron (4) Alpha Particle

Last Answer : Alpha Particle

Description : What are the three subatomic particles of an atom? A. Protons,Neutrons & Electrons (Answer) B. Protons,Nucleus & Electrons C. Protons,Nucleus & Elements. D. Elements,Nucleus & Protons

Last Answer : A. Protons,Neutrons & Electrons (Answer)

Description : ------are negatively (-) charged particles of an atom? A. Protons B. Neutrons C. Electrons (Answer) D. None of These

Last Answer : C. Electrons (Answer)

Description : ------- are positively (+) charged particles? A. Neutrons B. Electrons C. Protons (Answer) D. None of These

Last Answer : C. Protons (Answer)

Description : The Beta particles are fast moving------? A. Protons B. Electrons (Answer) C. Neutrons D. None

Last Answer : B. Electrons (Answer)

Description : Positron is a/an (A) Nucleus having two protons (B) Helium nucleus (C) Electron with positive charge (D) Nucleus with one proton and one neutron

Last Answer : (C) Electron with positive charge

Description : A proton and an alpha particle pass through the gap of a strong magnet. If both particles have the same initial velocity, how many times greater will the defection of the proton be relative to the deflection of the alpha particle? Will it be: w) the same x) 2 times y) 4 times z) 8 times

Last Answer : ANSWER: X -- 2 TIMES

Description : The nucleus of a hydrogen atom consists of (a) One proton (b) One proton + two neutrons (c) One neutron only (d) One electron only

Last Answer : Ans:(a)

Description : What are tiny particles of protons and neutrons ?

Last Answer : Atomic particles. The reason is that when an atom is broken, that substance has no other properties , that is, the substance of which the atom is broken , then that substance no longer exists ... of any element. Electrons , protons , neutrons are considered to be the three main elemental particles.

Description : What particles move around the nucleus of an atom and are negatively charged? (1) Electrons (2) Protons (3) Positrons (4) Neutrons

Last Answer : (1) Electrons Explanation: Circling around outside the nucleus are tiny little particles called electrons. Electrons have a negative charge. Electrons spin as they circle the nucleus billions of times every ... or lose energy, they jump between energy levels as they are rotating around the nucleus.

Description : Particles involved in the movement within material are A. protons B. electrons C. neutrons D. positrons

Last Answer : electrons

Description : All of the followings are particles of the atom except D A. Electrons B. Protons C. Neutrons D. Pentagon

Last Answer : Pentagon

Description : All of the followings are particles of the atom except D A. Electrons B. Protons C. Neutrons D. Pentagon

Last Answer : Pentagon

Description : These positively charged particles are found in the atomic nucleus. a. Protons only b. Electrons only c. Protons and neutrons d. Neutrons only

Last Answer : a. Protons only

Description : What particles move around the nucleus of an atom and are negatively charged? (1) Electrons (2) Protons (3) Positrons (4) Neutrons 

Last Answer : Electrons

Description : Of the following particles, the particle having the least mass is (a) Meson (b) Neutron (c) Electron (d) Proton

Last Answer : Ans:(c)

Description : A student makes scale models of the subatomic particles. He uses an object with a mass of 1 g to represent an electron. Approximately what mass should the object have that he uses to represent the proton?

Last Answer : about 1,800 g A+

Description : Which of the following particles has the dual nature of particle-wave? (1) Electron (2) Meson (3) Proton (4) Neutron

Last Answer : (1) Electron

Description : The fundamental particles present in the nucleus of an atom are - (1) Electron, proton (2) Proton, neutron (3) Neutron, electron (4) Neutron, positron

Last Answer : (2) Proton, neutron Explanation: The nucleus is the very dense region consisting of protons and neutrons at the center of an atom. It was discovered in 1911, as a result of Ernest Rutherford's ... mass of an atom is located in the nucleus, with a very small contribution from the orbiting electrons.

Description : Which of the following particles has the dual nature of particle– wave? (1) Electron (2) Meson (3) Proton (4) Neutron

Last Answer : Electron

Description : The fundamental particles present in the nucleus of an atom are (1) Electron, proton (2) Proton, neutron (3) Neutron, electron (4) Neutron, positron

Last Answer : Proton, neutron

Description : Four particles `alpha`-particle, deuteron and electron and a `CI^(-)` ion enter in a transverse magnetic field perpendicular to it with same kinetic e

Last Answer : Four particles `alpha`-particle, deuteron and electron and a `CI^(-)` ion enter in a ... shown in figure. Now match the following two columns.

Description : In Rutherford's experiment involving the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered, led to one of the ... its nucleus z) the nucleus of a gold atom occupies nearly the entire space of the atom

Last Answer : ANSWER: Y -- MOST OF THE MASS OF A GOLD ATOM IS IN ITS NUCLEUS

Description : Primary cosmic rays are composed largely of very fast-----? A. Protons (Answer) B. Neutrons C. Electrons D. Gamma rays

Last Answer : A. Protons (Answer)

Description : ------ have no charge? A. Neutrons (Answer) B. Protons

Last Answer : A. Neutrons (Answer)

Description : The protons and neutrons are found in the center of the atom, which is called the -----of the atom? A. Nucleus (Answer) B. Headquarters C. Hub D. None of These

Last Answer : A. Nucleus (Answer)

Description : Geiger-Muller counter is used to detect-----? A. Protons (Answer) B. Neutrons C. Photons D. none

Last Answer : A. Protons (Answer)

Description : Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are (A) Carbonates (B) Sulphates (C) Silicates & phosphates (D) Bi-carbonates

Last Answer : (C) Silicates & phosphates

Description : Atoms of U-238 and U-235 differ in structure by three (A) Electrons and three protons (B) Protons (C) Neutrons (D) Electrons

Last Answer : (C) Neutrons

Description : Pick out the wrong statement. (A) The disintegration rate of a radioactive substance cannot be increased by heating it (B) Electrons have negligible mass and unit negative change (C) Deuterium atom has one proton and two neutrons in its nucleus (D) Cadmium is capable of absorbing neutrons

Last Answer : (C) Deuterium atom has one proton and two neutrons in its nucleus

Description : Name the atom that has one proton and no neutrons? 

Last Answer : ANSWER: HYDROGEN

Description : The ratio of the wavelength of a proton & `alpha`-particle will be 1:2 if their

Last Answer : The ratio of the wavelength of a proton & `alpha`-particle will be 1:2 if their A. Velocity of ... energy of `alpha` particle is in the ratio 26:1

Description : The specific charge of a proton is `9.6xx10^(7)"C kg"^(-1)`. The specific charge of an alpha particle will be

Last Answer : The specific charge of a proton is `9.6xx10^(7)"C kg"^(-1)`. The specific charge of an alpha particle will be ... Ckg^(-1)` D. `38.4xx10^(7)Ckg^(-1)`

Description : A proton of energy `8 eV` is moving in a circular path in a uniform magnetic field. The energy of an alpha particle moving in the same magnetic field

Last Answer : A proton of energy `8 eV` is moving in a circular path in a uniform magnetic field. The energy of an alpha ... will be A. 4eV B. 22eV C. 8eV D. 6eV

Description : A proton, a deuteron and an `alpha`- particle having the same kinetic energy are moving in circular trajectors in a constant magnetic field. If `r_p,

Last Answer : A proton, a deuteron and an `alpha`- particle having the same kinetic energy are moving in circular trajectors in a ... )` D. `r_(p)=r_(d)=r_(alpha)`

Description : What is the equation for the transmutation that occurs when an alpha particle combines with an oxygen-16 atom emitting a proton?

Last Answer : Need answer

Description : A proton is identical to _____. (1) the nucleus of helium (2) the nucleus of a hydrogen atom (3) an alpha-particle (4) a beta particle

Last Answer : D. a beta particle

Description : What is comprised of the other three proton atom electron neutron?

Last Answer : An atom contain protons, electrons and neutrons.

Description : What is comprised of the other three proton atom electron neutron?

Last Answer : An atom contain protons, electrons and neutrons.

Description : Isotopes of the same element differ in the number of (a) Protons (b) Neutrons (c) Electrons (d) Positrons

Last Answer : Ans:(a)

Description : Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the ... (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.

Last Answer : Ans:(d)

Description : The nucleus of an atom consists of (a) Protons + Electrons (b) Only Protons (c) Protons + neutrons + electrons (d) Protons and neutrons

Last Answer : Ans:(d)

Description : The difference between isotopes of an element is due to the presence of a different number of (a) Protons (b) Neutrons (c) Electrons (d) Photons

Last Answer : Ans:(b)

Description : The mass number of an atom is equal to (a) The number of protons (b) The number of protons and electrons (c) The number of nucleons (d) The number of neutrons

Last Answer : Ans:(c)

Description : The mass number of a nucleus is (a) Always less than its atomic number (b) The sum of the number of protons and neutrons present in the nucleus (c) Always more than the atomic weight (d) A fraction

Last Answer : Ans:(b)

Description : What are the neutrons and protons in an atom collectively known as?

Last Answer : Nucleons