In the notation 289 115 Mc, the number 289 is the 3 number of electrons atomic number atomic mass number of neutrons

Q: Fill in the information missing from this table. nuclide protons neutrons Z A 1 22 27 0 0 0 5 11 0 0…

A: Atomic number = Z Mass number = A Atomic number = number of protons Mass number = (number of protons…

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: A fictional element Ho has two stable isotopes and an average atomic mass of 18.357 amu. Use the…

A:

Q: Fill in the blanks. Isotope 30Si4+ has: Number of protons Number of neutrons Number of electrons…

A: Given  Symbol of isotope  = Si4+30 Number of proton   = ?  Number of neutron = ?  Number of electron…

Q: Fill in the information missing from this table. nuclide protons neutrons 49 66 Be 29 63

A:

Q: Define the term Neutron-to-Proton Ratio?

A: To find: The Definition of Neutron-to-proton ratio

Q: 184W2+ Fill in the table below for the following atom: Number of neutrons Number of electrons…

A: Note: According to our guidelines we are supposed to answer only one question.  Kindly repost other…

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

A:

Q: 2. Use the following isotopes to answer the following 17 F, 135 Cs, 55 214 Po 84 write the nuclear…

A: Nuclear decay reaction: Also called as, Radioactive decay. It is reaction in which Radioactive…

Q: Complete the following table Atomic Number Mass number* # of protons # of neutrons # of electrons…

A: In an atom nucleus is present. postively charged particles are protons and negatively charged…

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

A:

Q: 2. Using your knowledge of nuclear physics, write the equation for the following processes: a) The…

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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: Enter your answer in scientific notation. Be sure to answer all parts.   The radius of a uranium−235…

A: We have to calculate the density of nucleus.

Q: The atomic structure of four particles are shown. electrons protons neutrons 18 17 18 Q 18 17 20 17…

A: Isoelectronic species can be defined as the species which have same number of electrons in an atom.

Q: The element neptunium (Np) has a radioactive isotope called 237N.. 237NP can undergo alpha deca to…

A: Given reaction: N237p → ? + H4e We have to find the missing atom.

Q: What is the mass number of xenon-127?

A:

Q: Fill in the blanks. Isotope 76AS3- has: Number of protons Number of neutrons Number of electrons…

A:

Q: Question attached

A: The given isotope is C-15, which means that it has 9 neutrons. All carbon isotopes have the same…

Q: Rhenium has two naturally occurring isotopes, Re-185 (mass = 184.953 amu) and Re-187 (186.9558 amu).…

A: The average atomic mass of the substance can be determined by the addition of the masses of each…

Q: 53 +3 Cr 24 What is the atomic number?

A: Atomic number is 24 of given symbol.

Q: number of protons number of neutrons 6ONI number of electrons number of nucleons

A: 60Ni is isotope of Nickel. 60Ni isotope is used for neutrons studies of amorphous metal structures.…

Q: Silver has an atomic mass of 107.868 amu. The Ag-109 isotope (108.905 amu) is 48.16%. What is the…

A: Isotopes are the elements with different atomic mass (mass number) and same atomic number. Here…

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

A:

Q: కా 1. Indi cate the number of protons and neutrons in the following nuclei: c) Dotassium - 39

A: Atomic number = number of protons Mass number = number of neutrons + number of protons If atom is…

Q: 5. Some atoms have various medical uses. Fill in the missing information for the atoms in the…

A: Fill the missing information---

Q: Which of these families has only radioactive elements? * > ><

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Q: Fill in the information missing from this table. nuclide protons neutrons Z A 0 0 33 75 0 0 12 14 0…

A:

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: 244Pu undergoes radioactive decay, emitting 4 alpha particles and 5 beta particles. What is the…

A: An alpha particle is equivalent to a Helium atom A beta particle is similar to an electron

Q: Mass number 246; 156 neutrons symbol

A: Mass number is the sum of number of protons and neutrons in an atom.  Atomic number is the number is…

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: Which of the following nuclei has a magic number of neutrons and/or protons? none of the choices O…

A: There are some combination of proton and neutron , when these combination present in nucleus then…

Q: Calculate the number of protons and neutrons in 100In

A: The number or protons and neutrons can be determined by the atomic number and mass number. It can be…

Q: 19 94 element: # protons: # neutrons:

A: Atomic number of an atom is equal to the number of protons present in it. It is written in the…

Q: number of protons, neutrons, and electrons

A:

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

A:

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: 239 142 Indicate the number of protons and neutrons in the following nuclei: (a) 94 -Ри, (b) Ba, (c)…

A:

Q: 130 120 110 100 90 80 70 60 50 • Stable 40 Radioactive 30 20 10 10 20 30 40 50 60 70 80 90 100…

A: The plot of stable and radioactive nuclei is given by,

Q: The isotope of plutonium used for nuclear fission is 239Pu.Determine (a) the ratio of the number of…

A: Concept Introduction: The atomic number is equal to the number of protons and number of electrons…

Q: Complete the following nuclear equations.  Write the mass number and atomic number for the remaining…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Which of the following has a different number of neutrons? a.123Sb b.125I c.120Cd d.122In

A: Which of the following has a different number of neutrons?

Q: Atomic Number Mass Number Atom Symbol Protons Neutrons Fr 87 223 Tungsten 110 238 86 136 57 44

A:

Q: 130TE2 number of protons number of neutrons number of electrons number of nucleons

A: The symbol of the element Tellurium represented as130Te522- In the above symbol 52 is the atomic…

Q: NUnilar ext Calcium-39 Gold-197 125 82 +1 Isotope Name (w/mass number) Atomic Number of Number of…

A: Atomic mass of any element is given following expression Atomic mass = Total number of Protons +…

Q: number of protons number of neutrons 59NI+3 number of electrons number of nucleons

A: We have to calculate the protons , neutrons, electrons and nucleons.

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?

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.