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

Q: Electron affinity - from left to right within a period from top to and _-- bottom within a group. O…

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Q: Name two elements in the group which has the general electron configuration ns2np3.

A: Given: The general electron configuration of element is ns2np3. Here, n represents the principal…

Q: In the isoelectronic series Ca2 + , Cs+, Y3 + , which ion islargest?

A: Among Ca2+, Cs+, Y3+ the largest ion will be:

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 the first ionization energy of neon and the electronaffinity of fluorine. (a) Write…

A: Ionization energy is the amount of energy which is needed to remove an electron from the neutral…

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

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Q: Consider the isoelectronic series Zr4+, Nb5+, Mo6+, Tc7+. Arrange these species as follows. (Use the…

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Q: Platinum hexafluoride, PtF6 has a very high electron affinity (772 kJ/mol) but when lithium metal is…

A: Lithium has a very small size and has the maximum polarizing power due to its small radius.

Q: Bromine is used in the manufacture of disinfectant products, it has a very strong oxidizing…

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Q: An element X has the electron configuration [Kr] 5s-4d5p. The formula for the bromide of X is most…

A: The given electronic configuration is [Kr] 5s24d105p3. The atomic number of an element is equals to…

Q: In group 15 elements, there is considerable increase in covalent radius from N to P but small…

A: N i.e nitrogen is period 2 element, P i.e phosphorous is period 3 element, As i.e Arsenic is period…

Q: Use the electron configurations of the alkaline earth metalsto explain why they tend to form 2+…

A: We have alkaline earth metal, we have to explain why they tend to form the +2 ions.

Q: Arrange these ions from largest to smallest ionic radius Ba2+,  Cs+,  Te2-,  I,  Sb3-

A: ions from largest to smallest ionic radius is  Sb3- >Te2- >  I  >  Cs+  > Ba2+

Q: Rank the following in order of the indicated property. a. N, As, P, Bi             (decreasing…

A: Electron affinity is the extent of energy released when an electron is added to a neutral gaseous…

Q: In group 15 elements, there is considerable increase in covalent radius from N to P but small…

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Q: In the chemical process called electron transfer, an electron istransferred from one atom or…

A: Electron affinity is the amount of energy released on the addition of an electron to a neutral atom.…

Q: Discuss the importance of electron affinity and ionizationenergy in the formation of ions.

A: Electron affinity:   release of certain amount of energy when an electron is added to neutral…

Q: Explain the group IV and V cations. Draw their schematic diagram.

A: Elements in the same group have similar outermost configuration and hence ions they form have…

Q: Use electron configuration and orbital diagram to account for the trend in electron affinity from…

A: Electron affinity is the amount of energy released when electron is added to an  isolated gaseous…

Q: Why the ionic radii of Zr and Hf are almost equal?

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Q: Explain why each successive ionization of an electronrequires a greater amount of energy.

A: The ionization energy of an element indicates the minimum quantity of energy which is required to…

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: Relate the change in atomic radius to the changesin atomic structure that occur across the…

A: In the periodic table, elements are arranged according to their electronic configuration. As the…

Q: WHAT IS THE ELEMENT: a) of Group 4A, with the most metallic character b) of Group 5A which forms the…

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

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Q: arrange the following in order of increasing radius and increasing  ionization enegy  n+,n,n-

A: Atomic radius: The distance of the outermost electron from the nucleus is known as the radius of the…

Q: (b) List some properties of Group 1 elements which indicate they are all metals. (c) What valence do…

A: Here we have to write some properties of group 1 metal, valency of group 1 elements and name and…

Q: Write the electron configuration for Si7+ ion.

A: The arrangement of electrons in orbital shells and sub shells is the electronic configuration of an…

Q: Consider the isoelectronic series Ca2+, Sc3+, Ti4+, V5+. Arrange these species as follows. (Use the…

A: Answer :- a) Ionic radius :- It is the distance of the outer most shell of an cation or anion from…

Q: Group the electronic configurations of neutral elements in sets according to those you would expect…

A: The element with electronic configuration 1s2 2s2 2p6 3s2 3p3  and the element with electronic…

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

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Q: Consider a hypothetical ionic compound AB (comprised of A* and B" ions). Given the following…

A: The enthalpy change during the formation of one mole of ionic crystal from one mole of gaseous…

Q: If the left most element in a period combined with each of the others in the period, how would the…

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: What are the connections between reactivity and ionization energy/electron affinity trends? Why do…

A: There are many trends in organic chemistry. These trends are atomic size, reactivity, metallic…

Q: A – most electronegative element in - Period 4. B - smallest atom in Group 5A. C- alkaline earth…

A: A - most electronegative element in Period 4. Answer : bromine Reason : the tendency to attract…

Q: Consider the elements selenium (Se) and bromine (Br). Whichhas the higher first ionization energy?…

A: From the given two elements which has higher first ionization energy and higher electron affinity…

Q: Why does potassium have a lower first ionization than lithium ?

A: Electronic configuration of Li : 2,1 Electronic configuration of K : 2,8,8,1

Q: Use the periodic table to arrange the following elements in order of increasing first ionisation…

A: Since the element P and S belong to same period 3 and the element O belong the the period above them…

Q: 8) Arrange affinity (less negative Na,S, and CI the following inorder of increasiing electron tomore…

A: Electron affinity of any element is defined as the amount of energy released when an electron is…

Q: hy fluorin has low electron affinity as compared to chlori

A: When an electron is gained by an atom some energy is released so this released energy is electron…

Q: How many electrons does barium have to give up to hav the same electron configuration as a noble…

A: The electron configuration of an atom is the representation of the arrangement of electrons…

Q: write the formula that corresponds to the definition of electron affinity (EA) of sodium (Na)

A: Electron affinity is the internal atomic factor of the atom .

Q: Based on the table reaction given, 1.Compare the size of O- and O2- . Which of these two ions is…

A: In this question, gievn the compare the size and the electron gain enthalpy of 2nd oxygen , Given…

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…