Unlike the elements in groups 1A and 2A, those in group 3A do not show a regular decrease in first ionization energy as you move down the column. Explain the irregularities.

Q: 7.5 For each pair of elements, indicate which one you would expect to have the greater first…

A: To find: The element which has the greater first electron affinity.

Q: 4) The successive () ionization energies of a certain element are 1, kJ/mol, I, 4900 kJ/mol, L =…

A: Lewis structure represent the total number of valence electrons in a molecule. Valence electrons are…

Q: Indicate the element in each set that has the larger atomic radius and explain your answer.…

A: In periodic table, the trend of atomic radius is given as, 1) On moving top to bottom along the…

Q: Choose the element with the higher ionization energy from each pair.(a) Al or In (b) Cl or Sb (c) K…

A: Chemical and physical properties of elements present in the same group which are related to their…

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

A:

Q: most negative electron affinity?

A:

Q: Summarize the trend in metallic character as a function of position in the periodic table. Is it the…

A: Metallic character can be defined as the property of the element to lose electrons. Variation along…

Q: 20. Rank the following elements in order of increasing a) size, b) ionic radius, c) first ionization…

A: In the periodic Table From left to Right : Electron affinity & Ionization energy increases &…

Q: a. Write the symbol of the element with the largest atomic radius in Group 7A. b. Write the symbol…

A: NOTE:-As you posted multiple subparts in a question so we will answering first 3 subparts.   a)As we…

Q: Which one in the following pairs has the smaller radius? Explain your answers: a) Ba or Ba2+ b) Te…

A: The radius of an atom/ion increases from the top to the bottom in the periodic table. Since the…

Q: Find the electron configuration of the element with z=33. And say which group and period it is in…

A: To find: The electron configuration of the element with z=33. And say which group and period it is…

Q: Choose the larger atom from each pair, if possible.a. Sn or Si b. Br or Ga c. Sn or Bi d. Se or Sn

A: SOLUTION: Step 1: Hello. Since the question contains multiple sub-parts, the first three parts are…

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

A: Interpretation: We have to arrange these elements in order of their decreasing atomic radius. Ba,Sn…

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: Consider the following statements about first ionizationenergies:(i) Because the effective nuclear…

A: In the question, we are given three statements out of which we have to select the correct option…

Q: Which element below would have the largest atomic radius? * O Lithium O Iron O Rubidium Tin

A: The atomic radius of a chemical element is a function of the overall of its atoms, typically the…

Q: Choose the element with the more negative (more exothermic) electron affinity in each pair.a. Mg or…

A: Among magnesium and sulfur, sulfur is located right of magnesium, and hence atomic radii decreases,…

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: Unlike the elements in groups 1A and 2A, those in group 3A do not show a regular decrease in first…

A:

Q: Which Elements in each pair is more metallic? A) Silicon or Aluminum B) Arsenic or Phosphorus C)…

A: Metals , Non-Metals and Metalloids Metallic character refers to the level of reactivity of a Metal…

Q: why does the change for the atomic radii of the elements in period 3 from sodium to argon look…

A:

Q: Which atom as the largest atomic radius? O a. Cs O b. Li О с. F O d. Zn О е. Mg

A: Atomic radius is the distance in an atom from nucleus to its outermost orbital. We have to find out…

Q: The electron affinity of each group 5A element is more positive than that of each corresponding…

A: The electron affinity is the tendency to attract the shared pair of electrons. The size of the…

Q: The electron affinity of each group 5A element is more positive than that of each corresponding…

A: The electron affinity is the tendency to attract the shared pair of electrons. The size of the…

Q: which is the element with the lowest elecronegativity? WHICH OF THIS ANSWER IS CORRECT. A)…

A: Electronegativity is the property that measures the ability of an atom to attract the electrons…

Q: Choose the larger atom in each pair.a. Sn or Si b. Br or Ga c. Sn or Bi d. Se or Sn

A:

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: Which of the following about ionization energy (IE) is false?    a) For the element Si, 5.IE is…

A: To identify the false statement among the given ones.

Q: The electron affinity of sodium is lower than that of lithium, while the electron affinity of…

A: The amount of energy required to gain an electron is called electron affinity. This is calculated in…

Q: 9. Which of the following elements has the largest first ionization energy? A) Bе B) Mg С) Са D) Sr…

A: In this question, all the element present in 2nd group of the periodic table and when we move down…

Q: 20. On the basis of their positions in the periodic table, select the atom with the larger atomic…

A: In the periodic table, up to down atomic radius is increases and left to right decreases.

Q: Choose the element with the more negative (more exothermic) electron affinity from each pair.a. Mg…

A: Concept introduction: Electron affinity is the change in energy when an electron addition takes…

Q: Due to periodicity, which element would you expect to behave most like molybdenum? (a)   Tungsten…

A: The periodicity is repetition of elements with similar properties after certain regular intervals…

Q: Before Mendeleev published his periodic table, Döbereiner grouped elements with similar properties…

A: Döbereiner was among the first who arranged the then known elements in groups of three and called…

Q: Arrange the following elements in order of increasing metallic character: Si, Cl, Na, Rb.

A: Elements has , The lower the value of electron affinity, The lower the value of electronegativity…

Q: Suppose you were trying to find a substitute for K+ for some application. Where would you begin your…

A: Ca2+ ions are most likely to be like K+ in nerve signal transmission. The information is transmitted…

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: Arrange the following in order of decreasing atomic radius: Al, Mg, Na, O

A:

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

A:

Q: What is the atomic number of the as yet undiscovered element in which the 8s and 8p electron energy…

A:

Q: The electron affinity of each group 5A element is more positive than that of each corresponding…

A: The periodic table can be classified in four blocks; s-block, p-block, d-block and f-block. This…

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: C<Li< F<P < Cs OF<C<P<Li< Cs C<P < Cs <Li <F

A: Atomic radius is the distance between nucleus and other most electron.  As effective nuclear charge…

Q: Choose the element with the higher ionization energy from each of the following pairs. 1. Between…

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

Q: An atom of which of the following elements has the smallest atomic radius?   a. Ga   b. In   c. B…

A:

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.…

Q: On the basis of periodic trends, choose the larger atom in each pair (if possible):(a) Sn or I (b)…

A: Given: (a) Sn or I (b) Ge or Po (c) Cr or W (d) F or Se