Braw a Bohr model of an oxygen atom in the space below. Be sure to place the electrons in the correct orbitals and to fill out the key for the subatomic particles. Key 8 Protons: Neutrons: Electrons: Oxygen 15.9994

Q: The positively charged subatomic particle that remains when a hydrogen atom loses an electron is…

A: When electron is lost of gained , ions is formed. The name depends on whether the electron is lost…

Q: the Electron Name: nucleus Date: What is an atom? Everything in the universe is made up of ATOMS…

A: We are to write the missing words from the paragraph about the structure of atoms.

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

A: In his nuclear theory, Rutherford states that the nucleus of an atom contains most of the mass of…

Q: Give the main features of Thomson’s Model for an atom.

A: Thomson's model also called as plum pudding model. J.J. Thomson discovered electron in 1904. In this…

Q: 8. Identify for an atom of 32s : element name: Z, atomic number = A, mass number = number of…

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Q: What are the major postulates of Dalton's atomic theory

A: Here we have to write the major postulates of Dalton's atomic theory-

Q: 1. A carbon atom with 7 neutrons, and a positive charge. 2. A nitrogen atom with 7 neutrons, 8…

A: Given We know about the number of protone ,nutron  and charge

Q: 23, and so on Which of the following was one of Empedocles elements (from ancient Greece)? Water O…

A: According to the greek philosopher , Empedocles , all matters was generally composed from four…

Q: If an atom has 35 protons in the nucleus,how many electrons will it have orbiting the nucleus?

A: An atom contains three sub-atomic particles. These are protons, neutrons and electrons.

Q: For each of the following chemical symbols, determine the number or element symbol that goes in the…

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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: Identify each of the following as a metal, a nonmetal, or a metalloid.a. oxygen c. germaniumb.…

A: Each of the following has to be identified as a metal, a nonmetal, or a metalloid.

Q: Fill out the missing information in the table by using the dropdown boxes provided. Element…

A: Given, Element - Calcium  Symbol - Ca In modern periodic table calcium (Ca) is a s block element.…

Q: i) Ernest Rutherford discovered a. proton b. electron ...................by thin gold foil…

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Q: 14. The table shows the number of subatomic particles in Atom X and Atom Z. Atom X Z # of protons #…

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Q: would have happened to the path of particles in Rutherford’s experiment if he had used a negatively…

A: The experiment of Rutherford tells many important things about the atom. He bombarded alpha…

Q: Many of the CHEMICAL PROPERTIES of the elements vary periodically with the atomic numbers. The best…

A: Periodic table follows the periodic law,  thats chemical and physical properties of the elements are…

Q: 1) a. Define mass number of an atom with examples. b.what is nucleus and electron of an atom?

A: Mass number is  the sum of the numbers of protons and neutrons present in the nucleus of an atom.

Q: What is the number of neutrons of the given element?

A:

Q: Which Group would this element NOT fit into?

A: 1. Group 1 elements are called alkali metals, Group 4 consist of transition metals like Titanium,…

Q: An element 'A' contains 15 protons, 15 electrons and 16 neutrons. it is |. It becomes when it has 15…

A: The atomic number of an atom is the number of protons present in the atom. For a neutral atom, the…

Q: How many protons, neutrons, and electrons are in the following? a. 1 atom of iodine-127 b. 1 atom of…

A: Solution : 1)The atomic number of Iodine is 53 which tells us that it contains 53 protons in its…

Q: How do I find a total charge of an atom

A: The charge of an atom is the number of protons minus the number of electrons. Usually, these two…

Q: 120 1. How many electrons, protons, and neutrons are in ['50 Sn]* ₂ A) 54 electrons, 50 protons, and…

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Q: which atom has the most neutrons Choice A: neon-20 Choice B: Phosphorous-32 Choice C: Chlorine-35…

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Q: Rutherford's Gold Foil experiment gave evidence that an atom is mostly empty space. a True b…

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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: 6. Use a series of diagrams and a few point-form notes to create a flow chart that summarizes the…

A: Answer - Atomic theory has evolved since ancient times. The hypothesis of Greek scholars has become…

Q: The number of neutrons in an atom is equal to the mass number - the atomic number. the number of…

A: Mass number of an atom represents the sum of protons and neutrons present in that atomic nucleus. It…

Q: How did the experimental results obtained by both Bohr and Rutherford contribute to the…

A: Atomic models that were proposed to describe the structure of atoms include the Rutherford model and…

Q: J.J. Thomson was able to measure the charge to mass ratio of an electron. To do this he had to…

A: Discovery of electron is done by J.J Thomson using gas chamber.

Q: Briefly summarize the experiment Rutherford used to develop his model. Use diagrams. Draw a picture…

A: Rutherford directed a beam of alpha particles on a thin foil of gold, and the foil was surrounded by…

Q: Need help with this pjhysics theoretical question: The most surprising evidence from Rutherford’s…

A: Ernest Rutherford's gold foil experiment, conducted in 1909, marked a pivotal moment in the history…

Q: There are only two naturally-occuring stable isotopes of lithium. The mass and natural abundance of…

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Q: You are excited to know from this class that everything in the world is composed of atoms.  In…

A: In addition, an atom looks like the solar system.  The _____ are the “planets” in an atom.?

Q: Complete the following by choosing the correct word. 13 The atomic theory was given by c2 and sc…

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Q: what is the A, Z, E, CHARGE, MASS, # OF NUETRONS, PROTONS AND ELECTRONS OF POTASSIUM -40

A: Mass number (A) = number of protons + number of neutrons Atomic number (Z) = number of protons. E =…

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

A: For the subatomic particles, their exact position and the exact velocity cannot be determined at the…

Q: Which scientist developed a model that is still used today to show the number of electrons in each…

A: Bohr model explains an atom as a small and positively charged nucleus surrounded by electrons. These…

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: Given the, antimony (III) ion Match each of the following with its correct answer The number of…

A: Given here antimony(III) ion and we are asked to match the correct answers.Note : atomic number of…

Q: why Rutherford's model of an atom was considered to be unstable?

A: Rutherford’s experiment:Rutherford suggested that there is something at the center of the metal…

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.