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Periodic Trends: Electron Affinity Solutions Library

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45 solutions

Periodic Trends: Electron Affinity

Q. Using the data in the figures above calculate ΔE for the reaction Na(g)+Cl(g)?Na+(g)+Cl?(g)

Solved • Mar 20, 2020

Periodic Trends: Electron Affinity

Q. Which atom in each set has the most exothermic electron affinity?i) N, O, Neii) Al, Si, Cla. i) Ne ii) Clb. i) N ii) Clc. i) O ii) Cld. i) Ne ii) S...

Solved • Nov 21, 2019

Periodic Trends: Electron Affinity

Q. In general, as you go across a period in the periodic table from left to right:(1) the atomic radius __________;(2) the electron affinity becomes _...

Solved • Oct 1, 2019

Periodic Trends: Electron Affinity

Q. Which reaction below represents the electron affinity of Be?a. Be(g) → Be+(g) + e-b. Be(g) + e- → Be-(g) c. Be+(g) → Be(g) + e-d. Be(g) + e- → Be+(...

Solved • Sep 30, 2019

Periodic Trends: Electron Affinity

Q. Of the following elements, __________ has the most negative electron affinity.A) PB) AlC) SiD) ClE) B

Solved • Aug 29, 2019

Periodic Trends: Electron Affinity

Q. Of the following elements, __________ has the most negative electron affinity.A) SB) ClC) SeD) BrE) I

Solved • Aug 29, 2019

Periodic Trends: Electron Affinity

Q. Of the following elements, __________ has the most negative electron affinity.A) NaB) LiC) BeD) NE) F

Solved • Aug 29, 2019

Periodic Trends: Electron Affinity

Q. Which element has the most negative electron affinity out of the following choices?a. Ib. Brc. Cld. Pe. Na

Solved • Aug 5, 2019

Periodic Trends: Electron Affinity

Q. Would a neutral K atom or a K+ ion have a more negative value of electron affinity?

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Group 4A elements have much more negative electron affinities than their neighbors in groups 3A and 5A (see the figure).Which of the following stat...

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Consider the first ionization energy of neon and the electron affinity of fluorine.Write equation for the electron affinity of fluorine.

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. The first ionization energy and the electron affinity of Ar are both positive values.What is the significance of the positive value in each case?

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Choose the element with the more negative (more exothermic) electron affinity from each pair:a. Mg or Sb. K or Csc. Si or Pd. Ga or Br

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. The lightest halogen is also the most chemically reactive, and reactivity generally decreases as you move down the column of halogens in the period...

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. The electron affinity of each group 5A element is more positive than that of each corresponding group 4A element. Use the outer electron configurat...

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. For which element is the gaining of an electron most exothermic?a) Lib) Nc) Fd) B

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.C or N

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.Li or F

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.B or S

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. What are the observed periodic trends in electron affinity?

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Use the trends in ionization energy and electron affinity to explain why sodium chloride has the formula NaCl and not Na2Cl or NaCl2.

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Write an equation corresponding to the electron affinity of Fe3+.

Solved • Oct 16, 2018

Periodic Trends: Electron Affinity

Q. The electron affinities of the elements from aluminum to chlorine are -44, -120, -74, -200.4, and -384.7 kJ/mol, respectively. Rationalize the tren...

Solved • Oct 16, 2018

Periodic Trends: Electron Affinity

Q. Rank these elements according to electron affinity.  

Solved • Jul 24, 2018

Periodic Trends: Electron Affinity

Q. Which halogen has the lowest electron affinity?

Solved • Mar 21, 2018

Periodic Trends: Electron Affinity

Q. Which element has the greatest electron affinity (most negative ∆E)?a. Na or Clb. Sr or Ba

Solved • Mar 21, 2018

Periodic Trends: Electron Affinity

Q. Which element has the highest first electron affinity?a. Ob. Mgc. Nad. Ne

Solved • Mar 21, 2018

Periodic Trends: Electron Affinity

Q. What are the observed periodic trends in electron affinity? Check all that apply.a. For main-group elements, electron affinity generally becomes mo...

Solved • Mar 20, 2018

Periodic Trends: Electron Affinity

Q. Which element has the highest (most negative) electron affinity?a. Xeb. Sc. Csd. Bae. Cu

Solved • Mar 14, 2018

Periodic Trends: Electron Affinity

Q. The elements of which group in the periodic table absorb the most energy when gaining an electron? a. 1A  b. 3A c. 4A d. 5A e. 6A f. 7A g. 8A

Solved • Mar 8, 2018

Periodic Trends: Electron Affinity

Q. Rank these elements according to electron affinity. 

Solved • Feb 22, 2018

Periodic Trends: Electron Affinity

Q. Rank these elements according to electron affinity from most energy released by gaining an electron to most energy absorbed by gaining an electron....

Solved • Feb 21, 2018

Periodic Trends: Electron Affinity

Q. Arrange the following elements from greatest to least tendency to accept an electron. To rank items as equivalent, overlap them.Br, Se, Ge, Ca, K

Solved • Feb 13, 2018

Periodic Trends: Electron Affinity

Q. Rank the following elements by electron affinity, from most positive to most negative EA value. To rank items as equivalent, overlap them.Fluorine,...

Solved • Feb 13, 2018

Periodic Trends: Electron Affinity

Q. Which of the following elements has the greatest (most exothermic) electron affinity? a. Rb b. C c. Li d. Na e. Br

Solved • Jul 27, 2017

Periodic Trends: Electron Affinity

Q. Which equation correctly represents the first electron affinity (EA 1) of calcium?a. Ca(g) + e–  →  Ca–(g)b. Ca(g) →  Ca+(g) + e–c. Ca+(g) + e– → C...

Solved • Jul 13, 2017

Periodic Trends: Electron Affinity

Q. Which reaction below represents the electron affinity of Li? A) Li(g) + e- → Li -(g) B) Li(g) → Li+(g) + e- C) Li+(g) + e- → Li(g) D) Li+(g) → ...

Solved • May 15, 2017

Periodic Trends: Electron Affinity

Q. Electron affinity corresponds to the energy released or absorbed in which process (for atom A)? 1. A → A+ +2e– 2. A + e– → A– 3. None of these ...

Solved • Aug 16, 2016

Periodic Trends: Electron Affinity

Q. The electron affinity value expected for the reactionKr(g) + e → Kr -(g)  would bea) a large negative numberb) a small negative numberc) zerod) gre...

Solved • Mar 22, 2016

Periodic Trends: Electron Affinity

Q. Which of the following atoms has the  highest (most negative) electron affinity?a) Nab) Clc) Brd) Se) As

Solved • Mar 22, 2016

Periodic Trends: Electron Affinity

Q. Which reaction below represents the  second electron affinity of S? (A) S(g) + e- → S-(g) (B) S-(g) + e- → S2-(g) (C) S(g) → S(g) + e- (D) S-(g...

Solved • Mar 11, 2016

Periodic Trends: Electron Affinity

Q. The electron affinities of the following 4th row elements have the following values: K + e - →  K -1       EA = -48 kJ/moles Ca + e - →  Ca -1   ...

Solved • Mar 10, 2016

Periodic Trends: Electron Affinity

Q. Electron affinity corresponds to the energy released or absorbed in which process (for atom A)? 1. A → A + + 2 e – 2. A + e – → A + 3. None of t...

Solved • Feb 17, 2016

Periodic Trends: Electron Affinity

Q. Which reaction below represents the electron affinity of O? A. O (g) + e - → O - (g) B. O (g) → O + (g) + e - C. O (g) + e - → O + (g) D. O + (...

Solved • Feb 16, 2016

Periodic Trends: Electron Affinity

Q. Which one of the following atoms has the least tendency to gain another electron? a) Neon b) Oxygen c) Chlorine d) Sodium e) Hydrogen

Solved • Feb 11, 2016