Which of the following is incorrectly matched? neutron : -1 atomic mass unit (amu) neutron : located in the nucleus proton : -1 atomic mass unit (amu)

Q: The heaviest stable nucleus is an isotope of A. platinum. D. bismuth. B. gold. E. xenon. C. lead.

A:

Q: Define the term atomic nucleus?

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

Q: How many neutrons are present in Ne-22?

A: Symbol Ne-22 indicates Neon atom has mass number 22. As we know mass number is the sum of protons…

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: Which particle, if lost from the nucleus, will not change the element (no change to atomic number)?…

A: The particle which is lost from nucleus without change the atomic number has to be given,

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

A: Answer

Q: Given the only naturally occurring isotope of arsenic is AsAs-75, determine its mass from the…

A: Isotopes are the elements which have same atomic number and but different mass numbers.  In other…

Q: Given the only naturally occurring isotope of aluminum is Al-27, determine its mass from the…

A: Isotopes of an element are the ones which have the same atomic number but different mass number.…

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

A:

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: Where are protons and neutrons located in an atom?

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

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: It is the anti-particle of electron. a. alpha b. neutron c. positron d. gamma

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Q: Given the only naturally occurring isotope of fluorine is F-19, determine its mass from the periodic…

A: Isotopes are the ones which have the same atomic number but different mass number. Atomic number is…

Q: Which of the following particles will NOT undergo deflection in a magnetic field. A Alpha particles…

A: The particle having charge, deflected in the magnetic field, the positively charged particle…

Q: What is a neutron?

A: Number of neutrons in an atom = mass number - atomic number

Q: Fill out the missing information in the table by using the dropdown boxes provided. Element…

A: Given, Element - Calcium  Symbol - Ca In modern periodic table calcium (Ca) is a s block element.…

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: 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: Isotopes of the same element must also have the same: Select one: mass number atomic number number…

A: Isotopes are those substance which have different number of neutrons.

Q: Above what atomic number are there no stable isotopes of any element? 20 89 83 92 40

A: Atomic number 92

Q: Unstable isotopes are not radioactive. O True O False

A:

Q: Beta particles are best described as _ ejected at high speeds from a radioactive nucleus. positive…

A: Radioactive decay is the emission of radiation from the unstable nucleus is called radioactivity .…

Q: The atomic particle having a mass of 0 amu and a charge of -1 is: Group of answer choices a proton…

A: An atom is composition of smaller particles called subatomic particles. The subatomic particles have…

Q: An atom differs from its ion in which among the following? Mass number Atomic number Neutrons Number…

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

A:

Q: The complete symbol of an atom with atomic number 20, mass number 42 is?

A: Calcium is the element with the atomic number 20.

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: Atoms which have the same atomic mass but different atomic numbers are isotopes of one another.

A: Atoms which have same atomic mass but different atomic number are called isobars .

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: Explain what part of an atom undergoes change during radioactive decay.

A: Explained as follows

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

A: Identify atomic number and mass number for :  Alpha , beta ,gamma and neutron

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: Which element was used in alpha ray experiment?

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

Q: Which sub-atomic particles are part of the nucleus? Protons Lions Axons Electrons Neutrons

A: An atom contains three subatomic particles: Electron Proton Neutron Electrons are negatively…

Q: What is difference between Atomic mass & Mass nиmber

A: Atomic mass and Mass number

Q: Select the statements that are true concerning neutrons. they have a charge of zero O they are…

A:

Q: Determine the number of protons, neutrons, and electrons in the following atomic symbol. 58 A+ 30

A:

Q: How is the mass number related to the protons and neutrons?

A: The nucleus of the atom of an element is composed of protons and neutrons. The sum of the number of…

Q: On the periodic table of the elements, mercury (Hg) has an atomic number of 80 and a mass number of…

A: The atomic number of Hg = 80 Mass number of Hg = 200.59

Q: 110. Complete the table of particles involved in radioactive decay. Particle Name Mass Atomic Number…

A: Complete the above table.

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

A: Definition is as below-

Q: In fission reactions used in nuclear power plants, what subatomic particle is used to initiate and…

A: Fission occurs when a neutron slams into a larger atom, forcing it to excite and spilt into two…

Q: About the alpha particle, it can be said that: I. It is identical to He. II. It has a mass of 4.…

A: Alpha particles are the positively charged particles. Alpha-particle is highly active and energetic…

Q: A radioactive atom undergoes significant changes as it emits radiation. True O False

A: Radioactive atoms emits radiation in form of gamma rays or alpha rays.

Q: A. label each of the following phrases as applicable to a neutron, a proton, both of these or…

A: Following are the appropriate answers of the given questions.

Q: In 2 H, +, number of neutrons are Select one: а. О O b. 2 Ос. О с. 3 O d. 1

A: In this question, we will determine the number of neutrons.  You can see details solution below.

Q: mass number of 319 possesses _____________ nucleons.

A: Number of Neutrons(N) = 137 Mass number(A) = 319 So, Number of protons(P) = A - N  = 319 - 137 = 182