Explain how each scientist’s experiment contributed to the characterization of the atom (example: sub-atomic particles). A. J.J. Thomson and the electron B. Robert Millikan and the Oil Drop C. The Nuclear atom - Rutherford's Metal Foil Experiment

Q: 1. Which scientist first discovered electrons? a. Bohr b. Chadwick c. Dalton d. Democritus e.…

A: Subatomic particlesscientistsyearProton (positively charged particle)Ernest Rutherford1911Neutron…

Q: Describe the Rutherford's α-particle bombardment experiment. Explain the Rutherford Atomic Model…

A: Solution :      Rutherford's atomic model put forward by Ernest Rutherford to explain the atomic…

Q: 1. Which of the following substances is an element? А. Ice В. Coal С. Sand D. Iron 2. Which of the…

A: The structure of an atom, as studied by scientist such as J. J. Thomson, Ernest Rutherford and Neils…

Q: Classify the following elements as a metal, nonmetal, and a metalloid. 1.) hydrogen…

A: Metal is the element that readily forms cations and shows properties like conductivity, luster,…

Q: Which best describes isotopes? A. Same number of neutrons, different number of electrons B. Same…

A: atoms of the same element have the same number of protons, but some may have different numbers of…

Q: 1. Which of the following is not one of Dalton's laws? a) Atoms are indestructible. b) Atoms of the…

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Q: Which of the following correctly describes the subatomic particles in the isotope, 44Ca? A. 20…

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Q: Which statement about the three fundamental particles is false? O a. The charge of a proton is equal…

A: Electrons, protons and neutrons are considered as fundamental partials of atom

Q: There are electrons and +2 neutrons in the ion of Cd Atomic number: 48 Mass number : 112 O A. 46, 48…

A: Given ion,    Cd2+ ion    Mass number = 112    Atomic number = 48

Q: Which of the following best describes why the electronegativity of fluorine is greater than oxygen?…

A: #5) Electronegativity of fluorine is greater than oxygen because as we move across the period from…

Q: For each atom described, list the number of electrons, protons and neutrons. a. Neutral Ne 1910 b.…

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Q: . Given 24/14 Si, a) Find the number of protons, electrons and neutrons in the neutral atom.

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Q: How many protons and neutrons are contained in the nucleus of each of the following atoms? Assuming…

A: Hi, since you have posted multiple subparts question, we will answer the first three subparts for…

Q: Who was the first person we know of to state that matter was actually composed of atoms? Dalton…

A: An atom is the smallest particle composed of the nucleus (protons and neutrons) and electrons.

Q: How many of each subatomic particle does an atom of lead-208 have?

A: Subatomic particles are also known as elementary particles. The main three subatomic particles are…

Q: A. Two atoms have the same number of protons but different numbers of neutrons, what is the…

A: The atoms which have the same number of protons but different number of neutrons are known as…

Q: Part A Recall all the models you described in task 1. Think about the results each model would…

A: Models of the atom does the experimental evidence support for the experiment with hydrogen gas are:…

Q: Which one of the following statements about atoms and subatomic particles is correct? OA. The…

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Q: Which of the following is the least massive?  a. A neutron b. A proton c. An alpha particle d.…

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

A: From the results of his gold foil experiment, Rutherford concluded that atoms are composed of a…

Q: postulate in the atomic theory did the discovery of isotopes contradict

A: The postulates of atomic theory are shown below: Matter is made up of small indivisible particle is…

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.