Stable isotopes are not radioactive. O True O False

Q: Alpha emission is associated with O conversion of neutron to proton O conversion of proton to…

A: neutron to proton conversion or proton to neutron conversion occurs when there is a transfer of…

Q: the age of fossils can be trace by using isotopes c12 and c14 called carbon dating for generations.…

A: Given statement is : The age of fossils can be trace by using isotopes c12 and c14 called carbon…

Q: What is radioactive decay and give one example of a radioactive atom used in medicine?

A: Radioactive decay:It is known as the process by which an unstable atomic nucleus loses its energy by…

Q: Madame Curie discovered gamma rays. O True O False

A: Gamma rays has no mass and no charge. These are the most energetic form of electromagnetic…

Q: Question 15 Which of the following small particles is a small nucleus? O Beta particles O electrons.…

A: Here,  beta particle is similar to electron which does not have a nucleus. Neutrons are present…

Q: Explain how you can predict whether or not an isotope is likely to be stable ifyou know its number…

A: An atom consists of two major parts i.e. re nucleus and electrons. A nucleus is concentrated at the…

Q: Which of the following best describes how the atomic number changes when a nucleus captures an…

A: Answer

Q: atomic mass of weapons-grade uranium assuming the percentages are exact?

A:

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

A:

Q: Fill in the information missing from this table. nuclide protons neutrons 0 0 129 185 10 0 26 28 75…

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: 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: 2. In a certain fission reaction, U-235 (atomic no 92) reacts with a neutron to form Cesium- 138…

A: Balanced nuclear equation is the equation in which the sum of subscripts as well as sum of…

Q: Another name for an isotope is: Radion Heavy element Positron Transition element

A: Isotopes are compounds that have same atomic number but different mass number.

Q: Which isotopes would you expect to be stable? 208 pb 234Pa uranium-235 oxygen-16 He

A: The isotopes which are expected to be stable are given below

Q: During a nuclear decay a 238U atom can break apart into a helium-4 atom and one other atom. Assuming…

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

Q: Neon and magnesium each have three stable isotopes, whilesodium and aluminum each have only one.…

A: When the various atoms are formed from same element, the atomic number remains the same with…

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: ng nuclear equations.

A:

Q: What is nuclear fusion? O A. a process in which the nucleus of an atom combines with the nucleus of…

A: Fusion indicates that two or more substances are fused together.  Nuclear fusion is a reaction in…

Q: Using atomic notation, indicate the isotope having 26 pt, 32 nº, and 26 e-.

A:

Q: Write the nuclear symbols of the three isotopes of an element with an atomic number of 8 in which…

A: We have to write Atomic symbol for three isotopes of atomic number 8.

Q: During the decay of a radioactive element, do you generally have: O a. no new isotopes O b. many new…

A: The process in which unstable nuclei lose energy by radiation, and converts into new elements. The…

Q: Electron capture is associated with conversion of neutron to proton O conversion of proton to…

A: Electron capture leads to production of nuclei/atom with decrease in atomic no. and no change in…

Q: In each pair of isotopes shown, indicate which one you would expect to be radioactive. 20 17 40 45…

A: Radioactivity can be defined as the process in which there is spontaneous emission of radiation in…

Q: The element uranium (U) can undergo both nuclear and chemical reactions. In power plants, the…

A: Uranium reactivity increases with increasing temperature whereas, in a nuclear reaction, the heat is…

Q: Fill in the information missing from this table. nuclide protons neutrons A 23 27 16 33 165 67 Ho

A: Form given data, first determine the atomic number and mass Number of elements.

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: Explain how energy loss and nuclear stability are related to radioactive decay.

A: The relation between energy loss and nuclear stability is related to radioactive decay has to be…

Q: How can we benefit from isotopes? Cite 3 examples

A: Isotopes are the element which have same number of protons  and different  number of neutrons .

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

A: Explained as follows

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: True or False: The ratio of unstable isotopes to stable isotopes is part of absolute-age dating.

A: There are two methods of dating: 1) Relative age dating 2) absolute age dating Relative dating- It…

Q: Nuclear radiation is produce particles and energy. O True O False

A: Nuclear reaction is a process in which two nuclei or nuclear particle collide, to produce different…

Q: Gold has one stable isotope, whichis gold-197, with an atomic mass of 196.97amu. A 14k (14-karat)…

A: Given:   Mass of 14k gold =  5.00-g  Gold percentage  = 58.3%  Other metals        = 41.7% To find:…

Q: For each pair of elements listed, predict which one has more stable isotopes:(a) I or Sn(b) Ga or…

A: To solve this problem, we need to know the ratio:

Q: An beta particle is a(n). O photon O electron O helium nucleus O hydrogen nucleus

A: A beta particle is an electron.  Charge and mass of beta particle are equal to that of electron.

Q: Fill in the information missing from this table. nuclide protons neutrons 15 16 66 158 75

A:

Q: Isotope 25Mg2+ has: Number of protons Number of neutrons Number of electrons Mass number

A: Given :-  25Mg2+  To calculate :-  number of protons  number of neutrons  number of electrons  mass…

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

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

Q: Alpha particles are O nuclease of helium atom streams of electrons O electromagnetic waves

A:

Q: Fill in the information missing from this table. nuclide protons neutrons 73 Ge 32 56 74 60 145

A: In any nuclide, the number written on the bottom is the atomic number and the number written on the…

Q: Consider to isotopes Fe-54 and Fe-56. a. write the nuclear symbol for both isotopes. b. how do…

A: The given isotopes of iron are - Fe-54 and Fe-56 In the given information Fe represent the atomic…

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: Fill in the information missing from this table. nuclide protons neutrons 28 14 14 Si 83 209 58 80 ロ

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: When the number of protons or neutrons changes, what type of reaction took place? A.…

A: When the number of protons or neutrons changes, what type of reaction took place?