Explain why the s-block of the periodic table is twogroupswide, the p-block is six-groups wide, and thed-block is ten-groups wide.

Q: An unknown element is a nonmetal and has a valence electron configuration of ns2np4a. How many…

A: Since you have posted a question with multiple sub-parts, we are entitled to answer the first 3…

Q: According to general trends in the periodic table, predict which element in each of the following…

A: According to general trends in the periodic table, which element in each of the given pairs has the…

Q: Identify and encircle the element that has the greater atomic radius. 1. krypton and francium

A: When we move across the period from left to right in a periodic table, there is decrease in atomic…

Q: Explain the trend in effective nuclear charge (Z*) going from left to right across periods in the…

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Q: Choose the element with the higher first ionization energy in each pair.a. Br or Bi b. Na or Rb c.…

A: Ionization energy :  From the ground state of an atom , if one electron is removed than the energy…

Q: 15. Which alkali metal has the smallest atomic radius? 16. Which alkaline earth metal has the…

A: We need to determine the element that matches the given property

Q: 5. a) Explain the term periodic trend when applied b) Explain why atomic radius decreases across…

A: On moving from lithium to fluorine, atomic redius decreases. This can be explained by considering…

Q: Arrange this isoelectronic series in order of decreasing radius: F,02-, Mg+, Na*.

A: To arrange the below isoelectric series in order of decreasing radius. F-  O2-  Mg2+  Na+

Q: Which of the following is a property of Sodium? a) has a high ionization energy b) soft, silvery…

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

Q: A. A main group element with the valence electron configuration 4s2 is in periodic group It forms a…

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Q: Separate Li, 5sCs, 19K, 10Ne elements in order according to their increasing ionization energies

A: Ionization energy is the amount of energy required to remove the outermost electron from the neutral…

Q: Assuming that the seventh period of the periodictable has 32 members, what should be the…

A: Atomic number is the unique property of the compound. It is basically the no. of protons that are…

Q: 4. Write the electronic configuration for Zinc. 5. Which element has a noble gas configuration of…

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Q: Explain the 2 trends of atomic radius in the periodic table. state the trend and explain why

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Q: Explain the trend of the first ionization energies of these three elements.the 30th: 9.394 eVthe…

A: First of all, in periodic table the position of 30th, 48th and 80th element has to be described. The…

Q: write out Ni* if you are typing on a computer) A. Which has the largest radius? B. Which has the…

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

Q: 9. Explain why the electron affinity for Mg > Ca (less positive)?

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Q: Mention 3 general characteristics of the s-block elements that distinguishes them from the other…

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Q: Lithium’s properties are more likemagnesium in group 2 than sodium. Use what youlearned about atomic…

A: In periodic table, elements are arranged based on their similarity in the property. The horizontal…

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: 7.72 Give the physical states (gas, liquid, or solid) of themain group elements in the fourth period…

A: Intermolecular forces refer to the type of interactions which are present in between atoms or…

Q: Answer ALL parts of this question. (a) Explain the following observations in first ionisation…

A: First ionization energy(IE1) is the energy required to remove the first electron from a gaseous…

Q: A. A main group element with the valence electron configuration 2s 2p is in periodic group It forms…

A: The octet rule: According to the octet rule, the atoms form molecules by losing, gaining, or sharing…

Q: Choose the element with the higher first ionization energy from each pair.a. Br or Bi b. Na or Rb c.…

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

Q: Select the element with the largest atomic radius O Li O Na O Rb OH

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Q: Which of the following configurations represents an element with properties similar to an element…

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Q: Which of the following properties of Group I elements decrease(s) with increasing atoinic number? 1…

A: An atomic number of an element is given by its number of protons present in the nucleous. As the…

Q: The element with an electron configuration of 1s²25²2p®3s?3p°4s°3d² is in group | | and period The…

A: The principal quantum number determines the period to which the valance electrons belongs to. So it…

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: m largest to smallest atomic radius (that is, their physical size). Of the elements available in…

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Q: Use coulomb’slaw to explain why each successive ionization energy increasesin value for any element,…

A: The magnitude of successive ionisation energies for an element is increases because there are fewer…

Q: Which or which of the following statements in the periodic table are false? L ionization energy…

A: According to the question, we need to identify which of the up-given statement is false.   Statement…

Q: Identify: - Element in Group IVA that has the lowest atomic size - Element with a valence…

A: The atomic radius of a chemical element is the mean distance from the center of the nucleus to the…

Q: Which element below would have the largest atomic radius?* Barium Beryllium Calcium Magnesium

A: Generally in a periodic table form left to right in a period the atomic radius decreases while in a…

Q: A. A main element with the valence electron configuration 5s- is in periodic group group It forms a…

A: When an atom excepts electrons, it acquires a negative charge whereas when an atom loses electrons…

Q: Identify: - Element whose 5p orbital has 1 electron - Element in Group 7A whose anion form is…

A: Please find your solution below : Elements in the periodic table are the pure substance that…

Q: Which of the following ions is isoelectronic with Kr? A. Na+ B. S-2 C. Se-2 D. Ca+2

A: The ions and atoms which are having equal numbers of electrons are called the isoelectronic species.

Q: 21. Order the following atoms in increasing first ionization energy: Cr, O, P, Rb

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Q: (a) Among the nonmetallic elements, the change in atomic radius in moving one place left or…

A: To get:   a) Explain the observations of  movement is automic radius. b)  Arrangement of atom in…

Q: In the same period of the Periodie Table the atomie radii are largest for clements of group: I…

A: Given a question of 4 period of periodic table  We have to state that which group will have the…

Q: Using the idea of dobereiner’s triads, what conclusion could have been made about magnesium, had…

A: Dobereiner’s triads : To segregate and group similar elements together  Sir Johanan Wolfgang…

Q: Which of the following statements is wrong? A. Rb has the largest atomic radius among Li, Na, K, and…

A: Answer: option B is correct option as Mg2+ has the largest ionic radius among N3-, O2-, F-, Na+ 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: A. A main group element with the valence electron configuration 35 is in periodic group 2 It forms a…

A: Answer for A.: Mg, +2 Answer for B.: Se, -2

Q: Part A Which of the following statements best explains this observation? O The group 4A elements…

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Q: Explain why atomic radius decreases as you move to the right across a period for main-group elements…

A: Moving towards the right side of the periodic table leads to atomic number increases means there is…

Q: Group 4A elements have much more negative electronaffinities than their neighbors in groups 3A and…

A: Electron Affinity is energy change taking place when one electron is added to an atom which is…

Q: Given the following information, identify the group from the periodic table that contains elements…

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

Q: Which element has greater ionization energy than bismuth (Bi), has a larger atomic size than iodine,…

A: In the periodic table, the elements are arranged in the increasing order of the atomic number.…