Atomic orbitals worksheet
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Q2 - How many protons and neutron are in the following nuclei? Q1 - What were the discrepancies observed in Bohr’s model? Please give the explanation for the answer where applicable. (d) seventh Bohr orbit to the third Bohr orbit (c) sixth Bohr orbit to the third Bohr orbit (b) fifth Bohr orbit to the second Bohr orbit (a) fourth Bohr orbit to the first Bohr orbit Question- The third line of the Balmer series, in the emission spectrum of the hydrogen atom, is due to the transition from the (d) This magnitude of energy associated with a quantum is proportional to the frequency. (c) Radiation energy is not emitted or absorbed continuously but in the form of small packets called quanta (a) The energy is not absorbed or emitted in whole number or multiple of quantum Question- Which one of the following is not the characteristic of Planck’s quantum theory of radiation ? (d) The position and velocity of the electrons in the orbit cannot be determined simultaneously (c) Electrons revolve in different orbits around the nucleus (b) The electron(s) in the orbit nearest to the nucleus has the lowest energy (a) Energy of the electrons in the orbits are quantized Question- Which of the following statements do not form a part of Bohr’s model of hydrogen atom ? Question- In Bohr’s model, atomic radius of the first orbit is y, the radius of the 3rd orbit, is (d) proportional to the intensity of incident photon Question- In the photo-electron emission, the energy of the emitted electron is Question- Which of the following is related with both wave nature and particle nature ? Question- From the data given below A, B, C and D respectively are, Question- Which one of the following pairs is not correctly matched ? Question- If the wavelength of the electromagnetic radiation is increased to thrice the digital value, then what will be the percent change in the value of frequency of the electromagnetic radiation. (d) The emitted electrons have energy equal to energy of photons of incident light (c) The emitted electrons have zero energy (b) The emitted electrons have energy less than maximum value of energy depending upon intensity of incident radiation (a) The emitted electrons have energy less than a maximum value of energy depending upon frequency of incident radiations Question- When a metal surface is exposed to solar radiations Question- What is the difference between two species if one has atomic mass = 14 and atomic number = 7 whereas the other has atomic mass = 14 and atomic number = 6 ? (b) 11 protons, 13 neutrons, 13 electrons Question- An element has atomic number 11 and mass number 24.What does the nucleus contain?
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(d) without emission or absorption of electromagnetic radiation (c) by absorption of electromagnetic radiation of particular frequency (b) by absorption of any electromagnetic radiation (a) by emission of electromagnetic radiation Question- An electron from one Bohr stationary orbit can go to next higher orbit Question- Atoms with same mass number but different atomic numbers are called Question- Number of protons, neutrons and electrons in the element 89 X 231 is Question- The ideal body, which emits and absorbs radiations of all frequencies, is called a black body and the radiation emitted by such a body is called Question- The number of electrons and neutrons of an element is 18 and 20 respectively. Question- The radius of 1st Bohr’s orbit for hydrogen atom is ‘r’. Question- Which of the following does not contain number of neutrons equal to that of 40Ar 18 ? This test paper with questions and answers for Grade 11 Chemistry will be very useful for exams and help you to score good marks Class 11 Chemistry Worksheet for Structure Of Atom Structure Of Atom MCQ Questions with Answers Class 11 Chemistry
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#Atomic orbitals worksheet pdf
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