If a single gold atom has a diameter of 2.9×10−8 cm, how many atoms thick was Rutherford's foil? The gold foil Rutherford used in his scattering experiment had a thickness of approximately 8×10−3 mm .

Q: Mrs. Smith showed her class three elements and described their properties. Properties of Elements…

A: The data given is,

Q: Which of the following scientists did not contributeto determining the structure of the atom?(a)…

A: To find: The scientists did not contribute to determining the structure of the atom

Q: Which elements are alkaline earth metals?(a) rubidium(b) tungsten(c) magnesium(d) cesium(e)…

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

A:

Q: Which of the following statements is incorrect? A. Protons are positively charged. B.) Protons…

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

A: The Rutherford’s experiment established about the alpha particles bombarded with gold foil.…

Q: Describe the Dalton model of the atom.

A: The Dalton model of the atom has to be described below.

Q: Q7. Which element is a row 4 noble gas?(a) Ne (b) Br (c) Zr (d) Kr

A: Noble gases are also known as inert gases. These include He, Ne, Ar, Kr, Xe and Rn.

Q: Describe the atom and its components.

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Q: Describe the structure of an atom, including the charge of each subatomic particle.

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Q: What did Rutherford determine about the structure of the atom from his gold-foil experiment?

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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: Which pair of particles has the same number of electrons? Al3+, p3- O o2-, Na* ON3-, p3- Br, Se

A: Atomic number of Element is equal to Number of electrons in that particular element.

Q: Which is the isotopic notation symbol for the ion with 78 protons, 116 neutrons, and 76 electrons?

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

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Q: If an atom were 4.5 football fields long, the nucleus would be the size of   a. a grape seed.   b.…

A: Given: Atom is 4.5 football field long To determine: Size of nucleus

Q: • Complete the following table: Atomic lon Number of Number of Number of Mass Protons Electrons…

A: NOTE : Since you've posted a question with multiple sub-parts,we'll solve first three sub-parts for…

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: 1. Determine the number of electrons necessary to equal a mass of 1.15 x 10 grams.

A:

Q: 1H, 2H, and 3H are examples of ________ because they have different numbers of ________.…

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

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Q: 33. What is the net electrical charge of chlorine (CI) if it has 16 electrons? a. 0. b. +1 с. -1 d.…

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Q: From the results of his gold foil experiment, Rutherford concluded that   Group of answer choices A.…

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Q: 2. How would you describe the nucleus of an atom? A. dense, positively charged B. large, positively…

A: To describe : Nucleus of an atom.

Q: The atomic theory states that all matter is made of atoms. These atoms are made of subatomic…

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Q: . The Rutherford gold-foil experiment led to the discovery of I The electron 2 The neutron 3 The…

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

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Q: Does uncertainity principle is applicable to all subatomic particles?

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Q: A certain element has a density of 7.19 g cm3 . A cube of this element with a side of 2.00 cm…

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Q: Which pair of particles has the same number of electrons?

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Q: Distinguish between Democritus’s ideas and Dalton’s atomic theory.

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Q: The atomic radius of a gold atom is 144 x10-12 m.  The volume of a gold atom can be calculated using…

A:

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

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Q: An American penny is 97.5% zinc and 2.5% copper and hasa mass of 2.5 g. Use the approximation that a…

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

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Q: 6. Who discovered the nucleus of the atom? A. Dalton B. Rutherford C. Millikan D. Thomson

A: Since you have asked multiple questions, we will answer the first one for you. Kindly post the…

Q: Consider an atom of 10B. (a) How many protons, neutrons,and electrons does this atom contain? (b)…

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

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Q: 6. Briefly explain (i) Thompson Experiment OR (ii) Rutherford Experiment emphasizing the…

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Q: Which of the following statements is TRUE, and why? A. Anions are usually larger than their…

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Q: This homework is going to center around a completely made up element - Maplenium. This metal has a…

A: Please find the solution below:

Q: An atom has a diameter of 1.50 À and the nucleus of that atom has a diameter of 2.50 x 10-5 A.…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Group 14 Elements

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