Which of the following scientists did not contributeto determining the structure of the atom?(a) Thomson; (b) Rutherford; (c) Millikan;(d) Dalton; (e) Becquerel

Q: An atom of the isotope 138Ba2+ consists of how many protons (p), neutrons (n), and electrons (e)?

A: Isotope is an element with same atomic number but with different mass number. Protons(e+) are the…

Q: The first atoms of seaborgium (Sg) were identified in 1974.The longest-lived isotope of Sg has a…

A: (a) we are asked to give the of protons electrons and neutrons in the given atom 266Sg  The number…

Q: While roaming a parallel universe, you discover the hypothetical element "Z." You obtain a…

A: We need to calculate the atomic weight of the element Z.

Q: d11 (pm) 7A BA 1A 3A 4A SA 6A 152 112 05 75 73 72 186 160 143 118 110 103 100 98 227 197 135 122 120…

A: In the given question we have to tell the reason why the atomic radius increases as we move down the…

Q: Millikan determined the charge on the electron by studyingthe static charges on oil drops falling in…

A:

Q: Sketch a modern atomic model of a typicalatom and identify where each type of subatomic…

A: Atomic model is given by many scientists as Bohr's model, Rutherford model etc. Modern atomic model…

Q: 7. The natural distribution of the isotopes of a hypothetical element is 65.79% at a mass of 281.95…

A: Given: The natural distribution of the isotopes of a hypothetical element is 65.79% at a mass of…

Q: Approximately how many times greater is the diameterof an atom than the diameter of its nucleus?…

A: Atoms are bigger in size and in the center of the atom nucleus is present.

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Given data, Mass of 101Ru = 100.9 amu Mass of 102Ru = 101.9 amu Percentage abundance of 101Ru =…

Q: Distinguish among the types, locations, and charges of subatomic particles.

A: Protons, neutrons are electrons  that are the three fundamental subatomic particles present in the…

Q: Is the statement consistent with Rutherford’s nuclear theory as it was originally stated? Why? The…

A: An atom can be considered as the smallest unit of any matter. An atom is composed of certain…

Q: What are the atomic number (Z), mass number (A), and symbol of the chlorine isotope with 18…

A: Isotopes are elements with same number of protons but having different number of neutrons. Isotopes…

Q: Which of the following is an implication of Thomson’s observation that the typeof metal used to make…

A: Cathode rays are defined as the beam of negatively charged particles that originate from negatively…

Q: Describe Thomson’s model of the atom. How might it account for the production of cathode rays?

A: To find: The Thomson's model of the atom.  How might it account for the production of cathode rays

Q: What is the mass number of a phosphorous (P) atom with 17 neutrons?

A:

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A:

Q: For each of the elements Na, Ni, Al, P, Cl, and Ar, providethe following information:a. Which are…

A: In the periodic table, elements are arranged as a function of their atomic number. There is a…

Q: Roughly speaking, the radius of an atom is about 10,000times greater than that of its nucleus. If an…

A: The radius of the atom in miles has to be given,

Q: How are the isotopes of an element different from one another?

A: Isotopes are atoms of the same element which are different in mass. That means They have the same…

Q: The radius of a tantalum atom is 142 pm. How many tantalum atoms would have to be laid side by side…

A: Given: Radius of tantalum atom = 142 pm And total distance given = 2.85 mm.

Q: What do all isotopes of an element have in common? How do they differ? Provide an example to explain…

A: Each element of the periodic table has an atomic number and mass number. The atomic number is…

Q: Are electrons, protons, or neutrons the smallest particles? If not, what are?

A: We need to determine wheather  electron, proton or neutron are the smallest particle or not.

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Given that Isotope Mass (amu) Relative Abundance 100Ru 99.9 48% 99Ru 98.9 52%   To…

Q: Prior to 1961, the atomic mass standard was defined as 1/16 ofthe mass of ¹⁶O. Based on that…

A:

Q: The element xenon (Xe) was the last of the noble gases discovered by Sir William Ramsay, and the…

A: Given information: Atomic volume of argon = 22.56 cm3/mol Atomic volume of krypton = 27.99 cm3/mol

Q: The elements in Groups 1A(1) and 7A(17) are all quite reac-tive. What is a major difference between…

A: The elements of group 1A and group 7A are reactive elements that form many compounds.

Q: Imagine an alternate reality where the Thomson cathode ray experiments arrived at an electron charge…

A: The given information are:

Q: What data must you know about the isotopes of an element to calculate the atomic mass of the…

A: The elements that have different atomic mass and same atomic number are known as isotopes.

Q: Is the statement inconsistent with Rutherford’s nuclear theory as it was originally stated? Why?…

A: Given statement, Since electrons are smaller than protons, and since a hydrogen atom contains only…

Q: In what way are isotopes of a given element always different? In what way(s) are they always the…

A:

Q: Describe Thomson’s model of the atom. How might itaccount for the production of cathode rays?

A: The atomic model proposed by Thomson was the plum-pudding model. According to Thomson's atomic…

Q: Which of the following statements is false? a. The proton and neutron are primarily responsible for…

A: we have to select the false statement

Q: Con The gold fol Rutherford used in his scattering experiment had a thickness of approximately 4103…

A: Given: Diameter of a single atom = 2.9 x 10-8 cm Thickness of a gold foil = 4 x 10-3 mm = 4 x 10-4…

Q: a) How many protons, electrons, and neutrons are in an 266 Sg atom? (atomic mass = 266) b) Atoms…

A: Elements are the species which consist of only one kind of atoms. In other words, species which…

Q: J.J Thomson determined the charge-to-mass ratio of the electron to be 1.759*1011 coulombs/kg. The…

A: We have to determineethe charge on the electron, C, in coulombs. Given, e/m = 1.759*1011…

Q: Who conducted experiments to determine the numerical quantity of charge carried by an electron? O…

A: The Oil-Drop Experiment was conducted to determine the quantity of the charge carried by an…

Q: Boron-10 and boron-11 are the naturally occurring isotopes of elemental boron. If boron has an…

A: Boron-10 and boron-11 are the naturally occurring isotopes of elemental boron. If boron has an…

Q: The element lead (Pb) consists of four naturally occurringisotopes with atomic masses 203.97302,…

A: From the given data, the atomic weight of lead can be calculated as -

Q: Estimate the percentage of the total mass of a 58Ni atom that is due to (a) electrons, (b) protons,…

A: Ni-58 has 28 electrons, 28 protons and 30 neutrons in it

Q: What did the scientists who are credited with discovering the proton and neutron have in common?

A: Solution Ernest Rutherford determined that his scintillation detectors detected gas nuclei once a…

Q: Is the statement inconsistent with Rutherford’s nuclear theory as it was originally stated? Why? A…

A: The given statement is  Is the statement inconsistent with Rutherford’s nuclear theory as it was…

Q: afe onelement consistedof 2130topes with masses of 89.9 omu ond alolamu If los00 X 10-3 moles of…

A: From given we are going to calculate average atomic mass of an element

Q: Ernest Rutherford concluded from experiments that they indicated nuclei of atoms are relatively O A.…

A: Correct ans- Far apart and positively charged.

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, located in the outer Solar…

A: Given that: Isotope Mass(amu) Relative abundance 98Ru 97.9 90.3% 99Ru 98.9 9.7%