The characteristic wavelengths of light absorbed by and emitted from an atom is known as the atom's: A) parcel number B period C) atomic spectrum D nuclear potential

Q: QUESTION 2 1. Scientists estimated the size of atom to be about O 10-10m O 10-10 cm 10-10mm. O…

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Q: Which of the following is the currently accepted model ofthe atom?(a) The plum-pudding model.(b) The…

A: Introduction: An atomic model is a guide to represent an atom and it is used to understand the…

Q: ') The Bohr model of an atom explains the physical behavior of an atom through three hypotheses.…

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Q: Describe at the atomic level the process that must occur for a line of color to appear in an…

A: the atomic level the process that must occur for a line of color to appear in an emission spectrum.…

Q: What are the positively charged particles of an atom called? A. ELECTRONS B. ELECTRON CLOUD C.…

A: To determine Positively charged particles of an atom

Q: An electron is 0.5 Å away from a carbon nucleus which contains 6 protons. Find the mutual force of…

A: Given : r = 0.5 Å q1 = -e (for electron charge is negative) q2 = 6e 1Å (Angstrom)= 10^-10m…

Q: Element Sodium Potassium Strontium Calcium Magnesium Strontium Mercury Arsenic Color

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Q: Fill in the nine gaps in this table. Element symbol     Mg     Protons   20   Neutrons   20…

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Q: The first scientist who was able to separate two isotopes of neon was O Henry Noseley Marie Curie…

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Q: The simplest type of atom to exist is the . atom a. охудen b. hydrogen O C. helium d. boron

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Q: Number of Electrons Atomic Number Element name Element Symbol

A: Done

Q: Where is the electron in an atom

A: An atom is made of electrons protons, and neutrons. Protons and neutrons are in the nucleus of the…

Q: Bohr's hydrogen atom is one of the successful theories in modern physics in explaining the behavior…

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Q: Will electrons collide with the nucleus due to their attraction. Give answer with reason

A: No, electrons will not collide with the nucleus due to their attraction. The reason of this…

Q: What does the following element description actually mean? Na +1 A. Sodium atom with 12 protons, 11…

A: The periodic table tells us that sodium atom (Na) has an Atomic Number of 11, so there are 11…

Q: Describe the principle of the experiment which established the nuclear model of an atom explaining…

A: SOlution: to describe the experiment which has establisehd the nuclear model of an atom.

Q: Describe the photoelectric effect and why it was relevant to the development of our understanding of…

A: Introduction : Photoelectric effect was discovered by Einstein in 1905.

Q: The bright- line spectrum produced by the excited atoms of an elementcontained wavelengths that a.…

A: An element produce bright and dark lines with the same wavelength For example hydrogen has three…

Q: The term photon refers to: A) light ray B) sub atomic particle C) radiation D) None of the above

A: The term photon refers to sub atomic particle.

Q: Describe atomic spectra using the terms of electron shells, emission, absorption, and wavelengths.

A: Atomic spectra:When electron in an electron shell makes a transition from one electron shell to…

Q: 17. The atomic energy level diagram accounts for A. the emission spectra of an atom B. the…

A: Energy level diagram

Q: Which best describes Internal energy? Velocity of the atom Spin of the atom All of the above…

A: Internal energy is the net total sum of energies possessed by the atom within itself and it is…

Q: Use your own words and captured images for each question. Everything around us is made up of…

A: Element The substances that cannot be divided into simpler components by means of any chemical…

Q: What is the repulsive electrical force between two protons 4.0x10^-15meters apart from each other in…

A: The equation for the magnitude of the electrical force between two point charges is given by,

Q: What does the acronym LASER stand for? Select one: O a. Light Amplification by Stimulated Emission…

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Q: Explain the structure of the atom in general

A: Solution

Q: Consider the Bohr model as applied to the following threeatoms: (A) neutral hydrogen in the state n…

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Q: A photon of wavelength of 1400Å is absorbed by an atom and two other photons are emitted. If one of…

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Q: In his Nobel Prize address, Ernst Rutherford announced that he had experimental evidence that the…

A: An alpha particle is a radioactive particle that has an atomic number of 2 and a mass number of 4.…

Q: The characteristic X-rays: Is the radiation from unstable nuclei of atoms of substance (a) Is the…

A: X-ray production typically involves bombarding a metal target in an x ray tube with high speed…

Q: The atomic mass of an atom is equal to the number of protons and: O Neutrons O lons O Electrons O…

A: The atomic mass of an atom is equal to the number of protons and: O Neutrons O lens O Electrons O…

Q: How many and what type of motion degrees of freedom does an atom have in two dimensions? (time…

A: Required :: Number of degrees of motion.

Q: According to the Bohr model, what may happen when an atom gains energy? a.) The number of protons…

A: According to bohr's model,the electrons in an atom move from a lowerenergy level to a higher energy…

Q: Why does hydrogen emit certain wavelengths of light when electricity is passed through a sample…

A: SOlution:

Q: Radioactivity is a process that occurs: a. In the electronic shells of atoms. b. In the nuclei of…

A: The correct answer is option (b).

Q: Write the appropriate symbol (with A, Z and the element symbol) for an yttrium isotope that has 39…

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Q: Name the atom whose frequency is used to define a second

A: To name the atom whose frequency is used to define a second . Solution :-

Q: An electron moves from energy level 8 to 3 in an atom with atomic number of 6, and with 2 times as…

A: Here, atomic number of the element is Z=6  There is transition between n=8 to n=3

Q: The speed of the electron in the Bohr theory of hydrogen is   a. proportional to n2.   b.…

A: In the given question we have to discuss about the speed of the electron in the Bohr theory of…

Q: Energy stored in the nucleus of an atom is called: A) Nuclear energy B) Atomic energy C) Potential…

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The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: