Soft contact lenses are made of siliconand oxygen atoms bonded together. Create a table listingthe atomic and ionic electron configurations, and theatomic and ionic radii for silicon and oxygen. Whensilicon bonds with oxygen, which atoms become largerand which become smaller? Why?

Q: Write the electron configurations for the following ions, anddetermine which have noble-gas…

A: The electron configurations for the following ions are to be written, anddetermine which have…

Q: Write electron configurations for the following ions, anddetermine which have noble-gas…

A: Given ions are (a) Cd2+(b) P3- (c) Zr4+ (d) Ru3+ (e) As3- (f) Ag+

Q: localized electron pairs?

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Q: Ti and Hf behaveas though they possess the same number of valence electrons.Which of the subshells…

A: Electrons from the most outer shell always behave as valence electrons. But if we have elements with…

Q: Consider an ionic compound, MX,, composed of generic metal M and generic, gaseous halogen X. • The…

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Q: 1. Show that the mean velocity of an electron in an electron gas at the absolute zero of temperature…

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Q: (a) Which ion is smaller, Co3+ or Co4+? (b) In a lithium-ionbattery that is discharging to power a…

A: (a) The size of the cation is always smaller than the parent atom because after the removal of…

Q: Consider an ionic compound, MX,, composed of generic metal M and generic gaseous halogen X. • The…

A: The given ionic compound is MX3. To determine, the lattice energy, Born Haber cycle is used.

Q: What happens as the two atoms approach each other ? (a) Each electron is attracted by the nucleus of…

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Q: which etement woutd have र ननना ०ननीप्रुपठळ of [AY] 3d2for itd 3+ ion ņ En ter the element Symbotor

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Q: Discussing this chapter, a classmate says, “An elementthat commonly forms a cation is a metal.” Do…

A: Metals are located on the left side of the periodic table.

Q: Mendeleev’s 1871 periodic table included oxide formation as an organizing feature.  The ratio in…

A: Electronic configuration plays a vital role in the formation of chemical compounds. It guides which…

Q: Consider an ionic compound, MX,, composed of generic metal M and generic, gaseous halogen X. • The…

A: Given: The ionic compound is MX2, where M is the generic metal and X is the generic halogen atom. a)…

Q: 20 The generic lonic compound, MX is composed of metal M and gemerie geous halogen X Caleulate its…

A: Lattice energy is the energy released when one mole of an ionic compound is formed from its…

Q: Write electron configurations for the following ions.

A: The arrangement of the electrons in the different atomic orbital of an atom is known as the…

Q: Explain the term "electron sea" in terms of metallic bonding and use it explain one of the…

A: Bond between metallic cation with neighbouring metallic cation by the delocalised electrons (sea of…

Q: Consider an ionic compound, MX,, composed of generic metal M and generic gaseous halogen X. • The…

A: The energy released when 1 mole or solid lattice is formed from the required number of gaseous…

Q: Galium (Ga) is an element in group III with atom

A: As per guidelines, if multipart questions posted, first 3 are allowed to answer, please post rest of…

Q: (a) Write the electron configuration for the element titanium,Ti. How many valence electrons does…

A: (a)The electronic configuration of any element is written keeping in mind three rules. Afbau…

Q: II www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-IBcWcplLoFLoU71DOb3zrKPTUHJHevE88rwcc M…

A: Distribution of electrons in a shell or subshell is called electronic configuration. While writing…

Q: Arrange the following anions in order of increasing ionic radii: F-, O2-, N3-, P3-, As3-, Ge4-

A: Ionic radius increases as we go down the group in periodic table.  Because additional shells are…

Q: Energy is required to remove two electrons from Ca to formCa2+, and energy is required to add two…

A: The formation of both the ions of Cao requires energy. It means energy is required to remove two…

Q: Write the decreasing order for thr following elements (C, K, O, N, Br, F) according to: a) Their…

A: Here we have to write the decreasing order of electroneativity, atomic radius, ionization energy and…

Q: Potassium iodide (KI) exhibits predominantly ionic bonding. The K+ and I− ions have electron…

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Q: Choose two atoms. List what their electron affinity values are including units. Which of these two…

A: I am taking two halogens F and Br atom.    Electron affinity of fluorine =-328kj/mol Electron…

Q: Explain why Be and Mg form metallic hydrides instead of ionic hydrides like the other elements in…

A: Be and Mg forms metallic hydrides instead of ionic hydrides and the two possible reasons are their…

Q: You read the following statement about two elements X andY: One of the elements is a good conductor…

A: Metallic character states to the level of reactivity of a metal or we can say that the tendency of…

Q: Consider an ionic compound, MX,, composed of generic metal M and generic gaseous halogen X. • The…

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Q: What are the identidication tests used for the group III and IV elements? Give comprehensive…

A: Identification test for group III and group IV cations are needed to be discussed.

Q: What is a chemical reaction that defines the fist ionization energy of carbon?

A: The energy which is require to remove an electron from outermost orbit in a gaseous atom is called…

Q: What are the numbers of unshaired pairs at atoms a, b, and c?

A: The compounds given are, 1) 2)

Q: Arrange the following ions in order of increasing ionic radius: fluoride ion, aluminum ion, nitride…

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Q: The second electron affinity values for both oxygen and sulfur are unfavorable (positive). Explain.

A: To find: The explanation for the unfavorable electron affinity values for oxygen and sulfur.

Q: In a lithium-ionbattery that is discharging to power a device, for every Li+that inserts into the…

A: To order the size of ions Li+, Co3+, and Co4+ from smallest to largest using the standard data.

Q: Give the valance electron configuration for Niobium.

A: The distribution of the electrons that exists in the atomic orbital of an atom is collectively known…

Q: Define Bond length increases down a column of the periodic table as the sizeof an atom increases.?

A: Bond length is the measure of space between the nuclei of two atoms bonded together within a…

Q: Write the full electron configuration for bromine____________________________________ How many…

A: Electronic configuration of the atom is obtained by using hunds rule ,  Aufbau principle and the…

Q: (a) Why does xenon react with fluorine, whereas neon doesnot? (b) Using appropriate reference…

A: a).

Q: Give the noble gas electron configurations and draw the valence orbital diagramsfor each of the…

A: “Hello. Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Why is it not possible to displace fluorine from metallic fluorides by any other halogens? Explain…

A: It is not possible to displace of fluorine from metallic fluorides by any other halogens reason is…

Q: What results from an unequal sharing of electrons between atoms?

A: The attraction formed between atoms, ions or molecules that result in formation of chemical…

Q: Which group in the periodic table has elements with high (en-dothermic) IE₁ and very negative…

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Q: Consider an ionic compound, MX,, composed of generic metal M and generic gaseous halogen X. • The…

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Q: Which quantity must be determined experimentally inorder to determine the bonding atomic radius of…

A: a.  We cannot determine the bonding atomic mass using the the distance from the nucleus where the…

Q: Sulphur reacts with carbon and potassium separately to form compound P and compound Q. (a) Draw an…

A: Sulfur(S) is more electronegative than both carbon(C) and potassium(K).  Hence S accepts electrons…