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

Q: which is the Period 2 element with-the Smallest atomic radius ? A.) Li D.) Ne C.) Be D.) Ra

A: Li, Be and Ne belong to the second period of the periodic table. Whereas, Ra belongs to the 7th…

Q: Rank the elements in each of the following sets in order of increasing atomic radius. (a)    K,…

A: 1) In general, atomic radius decreases across a period and increases down a group. ... Down a group,…

Q: Explain the sudden jump in ionization energy for the elements in period 3 and why that jump occurs…

A: The elements in third period are: Na, Mg, Al, Si, P, S, Cl, and Ar.

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

A: Ionization energy is the energy required to remove an electron from a neutral Isolated gaseous atom…

Q: Which element in each of the following sets would you expect to have the highest IE2? (a) Na, Mg, Al…

A: The elements in a  set with  highest second ionization energy has to be selected.

Q: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

A: Arrange in order of increasing atomic size. (a) the period 3 elements Cl, Na, and Ar (b) the Group…

Q: What trend did you observe in the reactivity of the halogens from top to bottom in Group 7A? Explain…

A: The size of the nucleus increases down a group (F < Cl < Br < I < At) because the…

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: Describe the trends of the element in a periodic table below and explain your answer: i)Electron…

A: i) Electron affinity : The amount of energy released when an electron is added to the neutral…

Q: What are the properties of the element flerovium (the period 7 element in group 14)?

A: Flerovium Flerovium is an atomic number 114 chemical element with the symbol Fl. Flerovium, which is…

Q: most negative electron affinity?

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: 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: Which element would you expect to be less metallic?(a) Cs or Rn(b) Sn or Te(c) Se or Ge

A: The elements in a modern periodic table are arranged in an increasing order of their atomic number.…

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: 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: What element in period 3 is a metalloid?   Give this element’s ground state noble gas orbital…

A:

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: exceptions to the periodic trends in ionization energy?

A: Normal trend ; Ionisation energy increases down the group ,due to increases in atomic size and…

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: Does the reaction of a main-group nonmetal oxide in water produce an acidic or a basic solution?…

A: All nonmetals form covalent oxides with oxygen that react with water to form acids (or) with bases…

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: Arrange the following isoelectronic series in order of increasing atomic radius: CI" , Sc³+, s²-,…

A: The question is about arranging the given Isoelectronic Series in order of Increasing atomic radius…

Q: Arrange the following in order of increasing atomic radius:  N, F, P Thank you

A: The following is to be arranged in order of increasing atomic radius:  N, F, P

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

A:

Q: Of the elements Li, K, N, P, and Ne, which has the greatest metallic character?

A: Metallic character of the elements increases down the group and decreases along the period from left…

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

A: Ionization energy: The amount of energy required to remove an electron from the outermost shell of…

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

A:

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: Which element would you expect to be more metallic?(a) Ca or Rb(b) Mg or Ra(c) Br or I

A: The metallic character is the tendency of an atom to lose electrons. as we moving from left to right…

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: 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: It is experimentally observed that electron affinity generally increases from left to right across…

A: Electron affinity is the tendency of an atom to gain an electron in its outermost shell when it is…

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

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: rank the three anions of the elements F, Cl, O according to their increasing ionic radius, explain…

A: The answer to the following question 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: 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