7.125 To prevent the formation of oxides, peroxides, andsuperoxides, alkali metals are sometimes stored in aninert atmosphere. Which of the following gases shouldnot be used for lithium: Ne, Ar, N2, Kr? Explain.(Hint: As mentioned in the chapter, Li and Mgexhibit a diagonal relationship. Compare the commoncompounds of these two elements.)

Q: The trend in second ionization energy for the elements fromlithium to fluorine is not a regular one.…

A: To find: The element which has highest and lowest second ionization energy

Q: 1. The first, second and third ionization energies of an element are 490 kJ mol", 4560 kJ mol and…

A: a

Q: Which element would have the greater electron affinity, S or O? Explain using the concepts of…

A: S (Sulphur) Atomic number = 16                   Electronic configuaration = 1s2 2s2 2p6 3s2 3p4   O…

Q: Detailed calculations show that the value of Zeff for theoutermost electrons in Na and K atoms is…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The first element of every group behaves differently from the other elements in the same group.…

A: Lithium shows anomalous behavior because it has the smallest size in the group. Since it has the…

Q: 5. How to tell the position of an element in the periodic table? Take the examples of 16S and 26Fe…

A: In periodic table, different type of elements are Present in different groups and period, according…

Q: 5. The element) will exhibit largest energy of atomization in period 3 and will have (name or symbol…

A: All the elements in perioic table have different electronic configuration .They are divided into…

Q: It is possible to define metallic character as we do in this bookand base it on the reactivity of…

A: First Ionisation Enthalpy of Silver (Ag) is 731 kJ/mol and that of Manganese (Mn) is 717.4 kJ/mol…

Q: A naturally occurring fblock element, M, forms an anionic nitrate [M(NO3)6]² , M(acac)4 and an oxide…

A: Those elements of the periodic table which have their last electrons in the f-orbital are known as…

Q: Note from the following table that there is a significant increasein atomic radius upon moving from…

A: A neutral atom has an identical number of electrons and protons. The power of the outermost electron…

Q: 7.74 Use the alkali metals and alkaline earth metals as examplesto show how we can predict the…

A:

Q: Arrange the following elements in order of decreasing atomic radius: Ba, Sn, S, Pb, and As. Rank…

A: Given: Ba, Sn, S, Pb, As

Q: 7.82 State whether each of the following properties of themain group elements generally increases or…

A: Main group elements are the elements of s and p blocks. The elements of a group or period follows a…

Q: 7.46 The first and second ionization energies of K are 419 and 3052 kJ/mol, and those of Ca are 590…

A: The first ionisation energy of Ca (590kJ/mol) is greater than that of K (419kJ/mol). Reason =  Both…

Q: 7.119 The first four ionization energies of an element areapproximately 738, 1450, 7.7 × 103 , and…

A: The first four ionization energies of an element are approximately 738, 1450, 7.7 × 103, and 1.1 ×…

Q: 8.) The ionization of a second electron always requires more energy that the first electron. The…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which should have the largest difference between the first and с. second ionization energy-C, Li, N,…

A: (c) Given atoms are -  Carbon C , Lithium Li, Nitrogen N, Beryllium Be  Carbon has total 6…

Q: Consider the isoelectronic ions Cl- and K+. (a) Which ionis smaller? (b) Using Equation 7.1 and…

A: (a)

Q: Which statement is true about effective nuclear charge?a) Effective nuclear charge decreases as we…

A: The compelling or effective atomic charge is the overall positive charge acquainted by an electron…

Q: 1.) a.) True or false: Elements with high ionization energies tend to have lave electron affinities…

A: A few questions based on periodic table trends that is to be accomplished.

Q: 7.89 Which of the following properties show a clear periodicvariation: (a) first ionization energy,…

A: Let us analyse all the properties one by one. Ionisation  energy is  the minimum quantity of energy…

Q: The ionisation energy generally increases across a period. However, there are two exceptions to the…

A: Period 3 sees an uptick in ionization energy as the nuclear charge rises, but the shielding of the…

Q: Explain the following statements in accordance to variation in characteristics of atoms in…

A:

Q: 6. (8) In general, as effective charges increases, ionization energy (/,) also increases. Explain…

A: Effective charge is the attractive positive charge of nuclear protons acting on the valence…

Q: The ionisation energy generally increases across a period. However, there are two exceptions to the…

A: The ionisation energy increases across a period because effective nuclear charge is increasing so…

Q: What is the full electron configuration (by filling order, spdf notation) of potassium nitrate,…

A: Answer - Electron configuration - Electron configuration is the distribution of electrons of an atom…

Q: Summarize the acid-base behavior of the main-group metal and nonmetal oxides in water. How does…

A: When a metal forms a bond with an oxygen atom then the compound is known as metal oxide. The…

Q: Arrange the following elements in order of increasing first ionization energy : Na, K, P. ________ <…

A: Ionisation energy is the energy required to remove 1 electron from the gaseous element.

Q: Which of these elements (Na, Mg, Al, Si,P ) will display an unusually large jump in ionization…

A:

Q: (a) What is the trend in first ionization energies as one proceedsdown the group 7A elements?…

A: Moving from Fluorine to Iodine in group 7A, first ionization energies decrease and atomic radii…

Q: Hydrogen is an unusual element because it behaves in someways like the alkali metal elements and in…

A: (a)Electron affinity is the amount of the energy released on the addition of an electron to a…

Q: The first element of every group behaves differently from the other elements in the same group.…

A: Lithium shows anomalous behavior because it has the smallest size in the group. Since it has the…

Q: The electron affinities, in kJ&gt;mol, for the group 1B and group2B metals are as follows: (a) Why…

A: Electron affinity means the amount of energy released when one electron is added to the uppermost…

Q: As we move across a period of the periodic table, why dothe sizes of the transition elements change…

A: The reason is as given below;

Q: Which element would you expect to be more metallic?(a) S or Cl(b) In or Al(c) As or Br

A: Metallic character represents the tendency of element to behave as metal. It increases in a group…

Q: Which one of the following is the correct order for atomic radius? (Smallest to largest) OS, F,O…

A: The minimum distance from the centre of the atom that is from the nucleus of the atom to the…

Q: 15. The first four ionization energies of an element are approximately 579 kJ/mol, 198ð kJ/mol, 2963…

A: Answer: Minimum energy required to remove the most loosely bounded electron from an isolated gaseous…

Q: Exceptions to the trend of increasing first ionization energy and increasingly negative (i.e., more…

A: In the periodic table there are 18 groups and seven periods. Among them, the group 15 also known as…

Q: The ionisation energy generally increases across a period. However, there are two exceptions to the…

A: This question is based upon the concept of ionization energy. First step is to explain about…

Q: The electron affinities, in kJ/mol, for the group 1B and group2B metals are as follows: (a) Why are…

A: (a) The group 2B elements are zinc (Zn), cadmium (Cd) and mercury (Hg). The ground state…

Q: Arrange the following chemical species in order of increasing atomic radius. Explain your…

A: Radius of an atom is measured from the nucleus of the atom to the outermost shell. The elements in a…