What is the condition to stable the orbit dynamically إجابتك What can we find from Rutherford ?scattering إجابتك In the theory of Bohr, what is the condition to stable the circling of an electron around a nucleus إجابتك

Q: Do both members of the following pairs have the samenumber of protons? Neutrons? Electrons?(a)¹⁶₈O…

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Q: Please calculate, how many atoms exist in 1cm^3 of copper with the density 8,93 gr/cm^3 and the…

A: 1 cm3 of copper with the density 8.93 g/cm3, whose number of atoms is to be determined.

Q: 1. Discuss the evolution of the “models” of an Atom. Be concise.

A: The smallest component of ordinary matter that makes up a chemical element is an atom. The atom is…

Q: In a mass spectrometer with an electron ionization source (EI) does the mass of an ion affect its…

A: Electron ionization (EI) is known as electron bombardment ionization in which energetic electrons…

Q: Atomic Radii of the First 86 Elements 300 250 200 150 50 10 Atomic Number .Whais tha ganora trond…

A: As per our guidelines we can only solve first three sub-parts. Please resubmit the other questions…

Q: Describe the process of Thomson’s Measurement of the Charge to-Mass Ratio of the Electron?

A: Thomson measured and calculated the ratio of e/m, i.e. electrical charge (e) to mass (m) of an e- by…

Q: Which statement is true regarding Slater's rules and the calculation of effective nuclear charge?

A: Slater's rule : it is used to calculate the effective nuclear charge felt by an electron. Effective…

Q: Smileyum, with the symbol Sy, and frownium, with the symbol En, are fictitious nonmetal elements.…

A: Since there is no information given about the valence of both elements. Hence option 3 and 4 is…

Q: Explain the contribution of Newlands’s law of octavesto the development of the modern periodic…

A: Periodic table is a tabular arrangement of  all the chemical elements present till date arranged in…

Q: The electronic configuration of the outermost shell of carbon is: 2s°2p? 2s23p2 Is 2p? O 2s?1p?

A: Atomic number of carbon = 6

Q: ABohr Diagrams and Lewis Dot Diagrams Edpuzzle Nearpod - 10/9 Period 1 (Atom Unit): 0 t you subtract…

A: Valence electron which take part in bonding or present in outermost most shell. In Lewis structure…

Q: 7) Summarize Dalton’s, Rutherford's and J.J. Thompson's atom models on your own words. You can draw…

A: Dalton’s atomic theory proposed that all matter was composed of atoms, indivisible and…

Q: What quantity of energy in J will remove the outer electron in a 1.00 mg sample of sodium?  IE1 (Na)…

A: Ionization energy is the minimum amount of energy required to remove the most loosely bound electron…

Q: Which of the following of Dalton’s proposals proved to be invalid? (a) Atoms are indestructible. (b)…

A: Dalton regarded the atom as hard and indivisible. Although Dalton's atomic theory provided a sound…

Q: e nucleus plus the inner shells of electrons (non-valence) constitute the core of the atom. Core…

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Q: Discuss the development of atomic models of Thomson's atomic model and Rutherford's atomic model,…

A: Plum Pudding Atomic Theory Thomson proposed that the shape of an atom resembles that of a sphere…

Q: 1.4 39.6 2.45 1000 100 10 0.1 AU, (MJ/moI) #of electrons

A: Solution :     Photoelectron Spectra is used to remove an electron from any shell in the atom. We…

Q: Naturally occurring magnesium has the following isotopicabundances: Isotope Abundance (%)…

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Q: In Figure 2.7, if two or more elements are in the same row, what do they have in common? If two or…

A: In the periodic table, elements are arranged according to the similarities in their electronic…

Q: A gold nucleus is located at the origin of coordinates, andan electron is brought to a position 2 Å…

A: Given: distance between the electron and gold nucleus = 2A° We know that Charge of electron…

Q: I do not understand 1s22s22p63s23p64s1  Is there a sort of counting that has to be done on the…

A: The electronic configuration of any element is written based on the atomic number of the element…

Q: How many distant nucleus pairs are in NH, molecule? a. 16 b. 1 C. 8 d. 6 c. 4 f. 2 9. 12 h. 3

A: Distant nucleus pairs can be calculated by considering number of nucleus.

Q: Use the information below to calculate the atomic mass of magnesium. Isotope Isotope Mass (amu)…

A: Given   The atomic mass for magnesium-24 is 23.985 amu and abundance is 78.70. The atomic mass for…

Q: Q1. a- Please calculate, how many atoms exist in 1 cm^3 of Copper (Cu) with the density 8,93 gr /…

A: denisty of Cu = 8.93 g/cm3 Therefore in 1cm3 of volume 8.93 g of copper has been occupied(8.93 g /…

Q: The elements of A that are in B at the same time are elements that belong to the union: AUB True or…

A: Given, The elements of A that are in B at the same time are elements that belong to the union AUB

Q: Read the given expression. X = number of protons - number of core electrons Which of the following…

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Q: Consider the table. Metal Tm (K) ΔHfus (kJ/mol) Tb (K) ΔHvap (kJ/mol) LiLi 454 2.99 1615 134.7…

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Q: Explain how Dalton’s theory of the atom and the conservation of mass arerelated.

A: The way how Dalton’s theory of the atom and the conservation of mass are related has to be explain,…

Q: ow do I tell if S2- is the most common isotope ? and what are difference between a Bohr-Rutherford…

A: Isotopes are chemical species that have the same atomic number but different mass numbers.…

Q: How do you know that an element is a metalloid?

A: A metalloid is an element that has properties that are intermediate between those of metals and…

Q: Classify the following as either a fermion or a boson: (a) an electron. (b) a proton. (c) a neutron.…

A: Fermions are one of the two fundamental classes of particles. It is explained by Pauli's exclusion…

Q: I am having issues with 1.7 a .. I don't understand why this had brackets and the charge

A: Charge written after the brackets represents the overall charge on the specie.

Q: 1. There are three particles (A, B, C) in a linear arrangement:  A---B---C. Calculate the…

A: As there are multiple questions, we will solve the first one for you. For the rest to be solved,…

Q: Consider the pollowing at oms: A BCOEF Number of electrons 888910 9 Number of n atrons 8910 9810 nch…

A: Isotopes are atoms of same element having same atomic number (number of protons ) but different mass…

Q: Determine the percent abundance for J-67 and J-68, given the following data: The average atomic mass…

A: Isotopes which have same  number of protons but different number of neutrons.

Q: An element has 2 naturally occurring isotopes with the following masses and abundances. A. Calculate…

A: Given  2 Naturally occurring Isotopes of an element  Isotope mass = 34.97 amu Percentage abundance…

Q: what are isoelectronic species? give examples.

A: Atoms and ions that have same number of electrons that is same electron configuration are said to be…

Q: The element 1s22s22p63s23p64s23d104p65s2 is    a. a halogen   b. an alkali metal   c. an…

A: Since the electronic configuration of the element given is   1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2

Q: How do I calculate the charge on the electron?

A: Charge of electron is determined through Mullikan’s oil drop experiment.

Q: Does the force of attration increase, decrease, or stay the same as two oppositely charged particles…

A: When two charges move towards each other it means that they are oppositely charged and the force of…

Q: The element antimony (Sb) has an atomic mass of 121.76 amu. Two naturally occurring isotopes of…

A: An element can exhibit in nature with several isotopes. Atomic mass is basically the average mass of…

Q: Is the periodic table useful to you as a student? Justify your answer. If vou were CE simn

A: Since the questions contains multiple questions, we will solve only first question for you. If you…

Q: Why is the magnitude of the charge of the electron so important?

A: An atom is made up of three subatomic particles which are neutrons, protons and electrons. Electrons…

Q: A robot spacecraft returned samples from the planetesimal 98765 ALEKS, Ilocated in the outer Solar…

A: As it is given the mass of isotope and it's relative abundance. So we can easily calculate the…

Q: A brief summary indicating Thomson major contribution to the atomic theory.

A: J.J. Thomson was the first to propose a model of the atom. He considered the atom as a sphere in…

Q: Provide the major contributions of Becquerel, Thomson, Millikan, Rutherford, and Mosely to the…

A: The scientific idea that matter is made up of tiny units called atoms is known as the "Atomic…

Q: Q4: What is the effective nuclear charge (52TE). on electrons in a 4s, 5s and 4d for tellurium…

A: Electronic Configuration of Te, Tellurium =52 = 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 4p6, 4d10,5s2, 5p4…

Q: What is the average atomic weight for a hypothetical element "Q" which is composed of the following…

A: The following data are given for the hypothetical element Q: The atomic mass of 1st the isotope, M1…