When Rutherford’s coworkers bombarded gold foil with α particles, they obtained results that overturned the existing(Thomson) model of the atom. Explain.

Q: Consider a rectangular piece of printer paper that is 8.5’’ x 11’’ (’’ denotes inches). In order to…

A: Given, The dimensions of the paper are =8.5’’ x 11’’ (inches) The mass of a proton is = 1.67262 x…

Q: The diameter of a US penny is 19 mm. The diameter of a silver atom, by comparison, is only 2.88 Å.…

A: The diameter of one silver atom in the units of mm is calculated as follows:

Q: 4, Cathode ray experiments permitted Thomson to calculate:  Group of answer choices a,…

A:

Q: Explain how J. J. Thomson’s determination of the charge-to-mass ratio of the electron led to the…

A: Thomson Atomic model introduced us to the world of subatomic particles. He discovered the first-ever…

Q: Thomson's experiments with a cathode ray tube demonstrated that protons are positively charges…

A: J J Thomson is one of the famous scientist in discovery of atomic structure and subatomic particles…

Q: The U.S. Environmental Protection Agency (EPA) sets limits on healthful levels of air pollutants.…

A: The number of lead atoms can be calculated as follows:

Q: (a) Describe Rutherford's experiment and how it led to the structure of the atom. How was he able to…

A: a)

Q: Explain Millikan’s oil drop experiment and how it led to the measurement of the electron’s charge?

A:

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: How and by whom was the electron discovered? What basic properties of the electron were reported…

A: Models for electrons- J.Thomson in 1897 discovered electron with the help of cathode ray tube…

Q: Which of the following statements is the best description of a fundamental difference between the…

A: The description of fundamental difference between the atomic models of Thomson and Rutherford is:

Q: Describe the structure of the atom in terms of protons, neutrons, and electrons and express the…

A: The atomic number defined as the number of electrons or number of protons present in a neutral atom.…

Q: When J. J. Thomson discovered the electron, what physical property of the electron did he measure?…

A: J.J. Thomson related the experiment with cathode rays and varying energies and strengths of electric…

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: How has the understanding of the structure of the atom changed over time? Briefly describe the…

A:

Q: Define the term monatomic ion?

A: The term monatomic ion has to be defined.

Q: Briefly explain (i) Thompson Experiment OR (ii) Rutherford Experiment emphasizing the discovery(ies)…

A: E. Rutherford discovered protons which are positively charged sub-atomic particles. J. J. Thompson…

Q: Suppose the diameter of a type of atom is 2.22 x 10-7 mm. A coin has diameter 1.20 cm. Suppose the…

A: If we divide the diameter of a coin by the diameter of an atom we will get the no. of atoms.  Given…

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

A:

Q: Explain Millikan’s oil drop experiment and how it led to the measurement of the electron’s charge.…

A: A closed chamber whose sides are transparent is attached with two metal plates that are parallel to…

Q: When Rutherford’s coworkers bombarded gold foil with a particles, they obtained results that…

A: Thomson model of atom is known as plum-pudding model. Based on Thomson model of atom, the atoms are…

Q: What mass of nickel would contain 5.66 x 1021 atoms?

A:

Q: The diameter of a U.S. dime is 17.9 mm, and the diameter of a silver atom is 2.88 A° . How many…

A: The diameter of a U.S. dime is 17.9 mm = 0.0179  meter  diameter of a silver atom is 2.88 A°  =…

Q: Imagine an alternate reality. The Thomson cathode ray experiments arrived at a charge to mass ratio,…

A: Here, we have to determine mass of electron.

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

A: The given information are:

Q: the history of the discovery of hydrogen and what properties they observed to identify it

A: Position of hydrogen in periodic table:   Hydrogen is regarded as rogue / disputable element because…

Q: Calculate the mass, in kg, of sample.  5.48x10^29 lithium atoms

A: Molar mass of lithium is 6.94 g/mol 6.023 x 1023 atoms have mass = 6.94 g of lithium

Q: A positively charged particle in the nucleus of an atom is    A. an electron    B. a neutron…

A: A positively charged particle in the nucleus of an atom is given below

Q: If a single gold atom has a diameter of 2.9×10−8 cm, how many atoms thick was Rutherford's foil? The…

A: Rutherford’s experiment led to the discovery of a positively charged nucleus with the help of a gold…

Q: Consider the following data for the element Z. Determine the number of b) protons, c)electrons and…

A: Given : There are total 3 isotopes of element Z. Number of protons in isotope 1 = 16  And mass of…

Q: Imagine that you have discovered several stable isotopes of a new element, which you call element X.…

A:

Q: (a) Atoms are very small compared to objects on the macroscopic scale. The radius of a vanadium atom…

A: (a)Calculate the radius of vanadium atom in centimeters and meters:

Q: A meteorite found in central Indiana contains traces of the noble gas neon picked up from the solar…

A: The average mass of an element can be defined as the sum of each individual isotope's mass…

Q: Name the elements give in the following information. a.20 protons b. 8 electrons, O chi irge C.15…

A: Name the elements give in the following information. a.20 protons b. 8 electrons, O chi irge C.15…

Q: The newly-discovered "element ~X" has 3 stable isotopes, each with the listed mass and abundance.…

A:

Q: Which of the following statements is the best description of a fundamental difference between the…

A: The main difference between the atomic models of Thomson and Rutherford is that Thomson model of…

Q: Two samples of carbon tetrachloride are decomposed into thier constituent elements. One sample…

A:

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

A: The data given is,

Q: If you wanted to make an accurate scale model of the hydro- gen atom and decided that the nucleus…

A: No, the end result will not be much smaller than 106 mm. This is because it is an hypothetical model…

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: n a series of oil-drop experiments, the charges measured on the oil drops were -3.20*10-19 C,…

A: Given, Charge on drop 1 = -3.20*10-19 C, - Charge on drop 2 = 16.40*10-19 C Charge on drop 3 =…

Q: Which I'm not part of dalton atomic model ? Elements are composed of minute, indivisible particles…

A: Given statements,         Elements are composed of minute, indivisible particles called atoms…

Q: The radius of a Niobium atom is 143 pm(b) The mass of a single niobium atom is 1.54×10-22 g. Suppose…

A: Given here,the radius of a Niobium atom is = 143 pm1 pm = 1e-12 m1 m = 100 cmSo,Diameter of 1…

Q: A sample of the element Phosphorus is shown to have a mass of 33 and a charge of -3. How many…

A: Since we know that in any elements at neutral state  Number of electrons = Number of protons =…

Q: The U. S. Environmental Protection Agency (EPA) sets limits on healthful levels of air pollutants.…

A: The U. S. Environmental Protection Agency (EPA) sets limits on healthful levels of air pollutants…

Q: A pictorial representation of JJ Thomson's model of the atom would be describer solar system;…

A: JJ Thomson model of an atom:- JJ Thomson theoretically described the anatomy (inner structure) of…

Q: Is the statement inconsistent with Dalton’s atomic theory as it was originally stated? Why? An…

A: Is the given statement inconsistent with Dalton's atomic theory as it was originally stated has to…

Group 14 Elements

The following elements come under group 14 of the periodic table.