What is the trend in first ionization energies as one proceedsdown the group 7A elements? Explain how this trendrelates to the variation in atomic radii

Q: (a) What behavior distinguishes paramagnetic and diamagnetic substances? (b) Why are paramagnetic…

A: Since you have posted multiple questions, we will solve the first question for you. To get the…

Q: What are the elements under Group 4A? Tabulate your answer by giving its description, importance,…

A: Group 4A contains the elements  of carbon family having C , Si , Ge , Sn , Pb .

Q: My former question wasn't really answered... I am trying to understand how one comes to the…

A: Simplest oxides are those in which atoms are in the simplest and single oxidation state. In case of…

Q: Describe how the radius of isoelectronic ions changes as the atomic number increases.

A: The isoelectronic ions are the chemical species, which have the same number of electrons. However,…

Q: Claim: Reactivity of alkali metals increase down a group, or column, in the periodic table.…

A: The alkali metals are six chemical elements in Group 1, the leftmost column in the periodic table.…

Q: Which of the following statements regarding the inert pair effect is incorrect? a. The inert pair…

A: The electrons are arranged in orbitals in an atom. The orbitals can be categorized from lower energy…

Q: period 4 element with the smallest atomic radius

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Q: Summarize the physical properties of the elements ingroup 14.

A: The elements present in group 15 are Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn), Lead (Pb),…

Q: List the General Characteristics of the Group 4A Elements?

A: Group 4A elements are: Elements Atomic number Electronic configuration Carbon 6 1s22s22p2…

Q: Which of the following has the highest ionization energy.  a) ca or ga  b) Cl or I  highest…

A: Ionization energy is defined as the energy required to remove an electron from its gaseous element.…

Q: The alkali metals play virtually the same general chemical role in all their reactions. (a) What is…

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Q: Explain each of the following observations: The halogens decrease in oxidizing power in the order F2…

A: Introduction :  Oxidising power of halogens decreases down the group .

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: Explain how the following properties change across the periodic Table from group 1 to group 2, and…

A: In the modern periodic table, the vertical columns are called as Groups and the horizontal rows are…

Q: Compare and contrast the chemistry of group 1 elements with that of group 2 on the basis of the…

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

Q: why iodine is dark violet in colour?

A: Visible region: The electromagnetic radiation in range of is regarded as visible region which is…

Q: Make a flow chart or schematic diagram to illustrate the separation process of Group III cations,…

A: ✓Cations of this group are cobalt(II) Co2+, Nickel(II) Ni2+, iron(II) Fe2+, iron(III) Fe3+,…

Q: Write equations that show the process for (a) the first twoionization energies of lead and (b) 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: how can you diffrentiate between lanthanides and actinides ?

A: The long form of the periodic table is a tabular arrangement of all known elements. Here the…

Q: Elements in group 7A in the periodic table are called the halogens;elements in group 6A are called…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Which element has the smallest radius? Ti,Co,Zn

A: Co has the smallest radius .

Q: Which of the halogen elements has the highest density in its standard state? B) Which of the…

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Q: Write the full electron configuration of iron, Fe. electron configuration: Write the full electron…

A: electronic configuration of iron Fe, atomic number of iron = 26 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Q: Which of the following oxides are amphoteric? Select one or more: a. Li2O b. Al2O3 c. ZnO d. BaO e.…

A: The metallic oxides which can react with both acid as well as a base to form salt and water are…

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: The atomic radii of alkaline earth metals are smaller than those of thecorresponding alkali metals.…

A: Alkaline earth metals are group 2 elements of the periodic table while alkali metals are the…

Q: With specific reference to the boiling and melting point temperatures, explain the difference in the…

A: Melting point and boiling point of alkaline earth metals

Q: 11. Which of the following belongs to alkaline earth metals? O K] 4d5 5s1 O (Ar] 4s2 O [Ar] 3d10 4s2…

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

Q: In some forms of the periodic table, hydrogen is placedin Group I; in others, it is placed in Group…

A: Hydrogen is placed separately in the periodic table.It shows similarities to both group 1 and…

Q: The chemical properties of the metallic elements can be considered as arising from the ability of…

A: Group 14 contains carbon,silicon,germanium,tin  lead.

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: Explain how the following properties change across the periodic Table from group 1 to group  2, and…

A: d) Melting point increases across a period.  Melting point is the  temperature at which a substance…

Q: Write a balanced equation for the reaction that occurs ineach of the following cases: (a) Cesium is…

A: Balanced equation is that when atoms on both reactants and products side are equal. A chemical…

Q: Compare and contrast the chemistry of group 1 elements with that of group 2 on the basis of the…

A: The alkali and alkaline earth metals differ in a few properties and these have been discussed below.…

Q: Arrange in order of increasing ionization energy (a) the Group 1A elements Na, Cs, and K(b) the…

A: An atom is composed of three main sub-atomic particles; electrons, neutrons and protons. The atomic…

Q: Write a general equation for the reaction of an alkali metal with each substance.a. a halogen b.…

A: Alkali metals are first group elements. They show a fixed valency of +1. Halides show -1 unit…

Q: Group 7A. What properties of hydrogen justify each of these placements?

A: Introduction :  Hydrogen is the first element in the periodic table, it is the smallest element…

Q: Question attached

A: Across period-3, variation is melting point and boiling point is not uniform.

Q: Give the properties of the oxides in a particular period.

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Q: (a) Briefly describe how the atomic radii and ionization energies of group 1A(1) elements compared…

A: Go to 2 step for your answer . Thanku)

Q: Discuss each conclusion from a study of redox reactions:(a) The sulfide ion functions only as a…

A: Reducing agent is the substance which contains the element in the lowest oxidation state. While,…

Q: In the orbital diagram of Phosphorous number of unpaired (P), the electrons is Oa. 3 Ob. 5 Oc. 0 Od.…

A: The atomic number of phosphorus is 15 so it has 15 electron.

Q: Use the data from Appendix F to graph the variation ofatomic radius with atomic number for the…

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