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July 28, 2014

Search: Arrange the elements in decreasing order of first ionization energy

Number of results: 38,729

chemistry
Posted by lyne on Tuesday, March 25, 2008 at 11:44pm. What is the pH ( 3 significant digits) of a 0.01 M solution of sulfuric acid? Hint is that the first ionization constant is "large", and the second is finite, and the [H+] donated by the second equilibrium depends upon the ...
March 26, 2008 by lyne

chemistry
For a week acid whose ionization constant is 1.75 x 10(-5), the pH of its solution is 3.0. Determine its degree of ionization and its percent ionization.
October 13, 2011 by chris

Chemistry130
Can someone please help me with this question? Propose a possible explanation as to why this trend exists. What characteristics of the elements lead to this trend? We are discussing Ionization energy! She's asking for characteristics like subatomic attractions, electron ...
September 17, 2009 by Jess

Chem
Arrange these elements P, Mg, N, Br, K in increasing metallic character
November 4, 2011 by Sam

Lauren
Arrange the following in order of increasing ionic radius: I^-, Cs+, and Te^2-. Explain this order
November 14, 2007 by Chemistry

Lauren
Arrange the members of each of the following pairs in order of increasing radius and explain the order: A. Te, Te2- B. Al, Al3-
November 14, 2007 by Chemistry

Chemistry
How would the electronegativity and first ionization energy values of lithium compare with the same values of oxygen? Why?
November 15, 2010 by alicia

Gen Chemistry
What is the pH ( 3 significant digits) of a 0.01 M solution of sulfuric acid? Hint is that the first ionization constant is "large", and the second is finite, and the [H+] donated by the second equilibrium depends upon the amount of [H+] already donated by the first ionization...
March 26, 2008 by lyne

organic chemistry
1. Arrange the following in order of decreasing reactivity toward nitration. Fully explain please I could use some help!! A. acentanilide, b. bromobenzene, C. acetophenone, D. toluene 2. Explain why p-nitrophenol is a stronger acid than phenol itself? Would p-methoxyphenol be ...
June 17, 2014 by Anonymous

C++
The variables arr1 and arr2 have been declared as pointers to integers . An array of 10 elements has been allocated, its pointer assigned to arr1, and the elements initialized to some values . Allocate an array of 20 elements , assign its pointer to arr2, copy the 10 elements ...
March 16, 2014 by Frank

CHEMISTRY
I have an assignment to 'Research ionization energy levels and come up with 3 real world applications' and was told you look up lasers, plasma arcs and neon lights. Hours later, (lol) I'm still having a little trouble. Is there any way someone can explain the connection ...
November 13, 2011 by Jessica

CHEMISTRY
I have an assignment to 'Research ionization energy levels and come up with 3 real world applications' and was told you look up lasers, plasma arcs and neon lights. Hours later, (lol) I'm still having a little trouble. Is there any way someone can explain the connection ...
November 13, 2011 by Jessica

Chemistry
I have an assignment to 'Research ionization energy levels and come up with 3 real world applications' and was told to look up lasers, plasma arcs and neon lights. Hours later, (lol) I'm still having a little trouble. Is there any way someone can explain the connection between...
November 13, 2011 by Jessica

Chemistry
The following equations are intepretations of the evidence from the reactions of four metals with various cation solutions. Make a table of half-reactions and arrange the four metallic ions and the hydrogen ions in order of their decreasing tendency to react. Label the ...
February 27, 2008 by Alex

Chemistry
What is the enthalpy change (in kJ/mol) for the following process? Na+(g) + Br-(g) --> NaBr (s) Hint: use the Born-Haber cycle Note: the reference state for Br2 is Br2(l) not Br2(g) Data (in kJ/mol): enthalpy of sublimation of Na(s): 107 standard enthalpy of formation of ...
February 1, 2011 by Crystal

Science
I am a non-metal. I belong to the Halogen family. I am not the largest or smallest atom in my group. My first ionization energy is greater than that of iodine. I am not a gas at room temperature. What element am I?
September 22, 2009 by Mat

computer science C++
The variables arr1 and arr2 have been declared as pointers to integers. An array of 10 elements has been allocated, its pointer assigned to arr1, and the elements initialized to some values. Allocate an array of 20 elements, assign its pointer to arr2, copy the 10 elements ...
February 15, 2012 by Erika

chemistry
calculate the lattice energy of sodium oxide (Na2O) from the following data: Ionization energy of Na(g): 495 kJ/mol Electron affinity of O2 for 2e: 603 kJ/mol Energy to vaporize Na(s): 109 kJ/mol O2(g) bond energy: 499 kJ/mol Energy change for the reaction 2Na(s)+ 1/2 O2(g)--&...
September 14, 2012 by Meeeee

Chemistry
The relationship between ionization energies as evidence for electron configuration for elements?
December 20, 2012 by Maria

science
I am in the p-block of the Periodic Table. My melting point is the highest in my period (ignore tansition metals). I am not the smallest atom in my group. My first ionization energy is greater than that of germanium. What element am I?
September 22, 2009 by Mat

math
in which order do the follownig fractions go in?3/8,2/7,4/9 arrange them this way: 2/7 ; 3/8 ; 4/9 This looks like n/(n+5) at low n, this approacthes zero (n=0) at hign n, it approaches 1 (n/n) So the order listed is from lowest to highest.
April 30, 2007 by giselle

chemistry
how do you write the ionization reaction and the acid ionization constant expression for the third ionization of phosphoric acid in water? Can you explain the main concepts that are involved in this?
May 12, 2012 by ryan

Chemistry
how does the outer energy level relate to the ionization energy?
November 30, 2010 by Sandy

physics
Calculate the ionization energy of doubly ionized Lithium, which has Z=3. Construct also the energy level diagram for it.
April 19, 2011 by qwer

Chem
Arrange the different types of forces in order of increasing energy. Covelant, Hydrogen bonding, Ion Dipole, Dipole-Dipole, Induced Dipole, and Ionic Bonding
December 4, 2012 by Jay

Chemistry
Suppose you are given the following experimentally observed facts regarding the reactions of silver ion. (a) Ag^+ reacts with Cl^- to give white AgCl (s) (b) Ag^+ reacts with ammonia to give a quite stable complex ion, Ag(NH3)2^+ (c) a black suspension of solid silver oxide, ...
November 29, 2011 by martini

Physics
The following values are the only allowable energy levels of a hypothetical one-electron atom: E6 = =2 X 10^-19 J E5 = -7 X 10^-19 J E4 = -11 X 10^-19 J E3 = -15 X 10^-19 J E2 = -17 X 10^-19 J E1 = -20 X 10^-19 J A) If the electron were in the n = 3 level, what would be the ...
January 24, 2010 by Vea

Chemistry
Calulate the degree of ionization for NH3(aq) in 1.0 M solution, Kb = 3.236E-4. I've seen degree ionization for acids and not bases. Do I need to find the Ka [H+] value of the base to determine the degree of ionization?
March 7, 2012 by Rosi

chemistry
the following values are the only energy levels of a hypothetical one electron atom: E6= -2x10^-19J, E4= -11x10^-19J, E2= -17x10^-19J, E5= -7x10^-19L, E3= -15x10^-19J, E1= -20x10^-1J a: if the electon were in the n = 3 level, what would be the highest frequency and minimum ...
April 5, 2014 by hotmom

Organic Chem
Rank these conformational isomers in order of decreasing potential energy? Highest on the left and lowest on the right. To rank items as equivalent, overlap them. Here is a link to the picture of the problem: ht+tp+:/+/bit+.ly/+8ZHeDA Remove the '+' sign
April 19, 2010 by Random User

chemistry
Can someone help me with this homework problem? Which of the following is the best explanation as to why lithium is the strongest reducing agent in the alkali metals? A) relatively high charge density of Li B) lowest ionization energy of the metals C) most positive standard ...
April 21, 2007 by ninjaturtle

Chemistry
What amount of energy is required to completely ionize 21.5 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole? Answer in units of J
October 17, 2012 by Peter

Chemistry
I need help with this in order to correctly complete my other related problems. Thank you so much in advance =) Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO, HCl, HCN, NaOH, NH3, NaCN, KNO3, ...
April 15, 2012 by Samantha

Chemistry
I need help with this in order to correctly complete my other related problems. Thank you so much in advance =) Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO, HCl, HCN, NaOH, NH3, NaCN, KNO3, ...
April 15, 2012 by Samantha

CHEM AP please help!!
Why does the octet rule not hold for many compounds containing elements in the third row of the periodic table and beyond? (Select all that apply.) 1. Atoms of elements in the third period are less subject to destabilization from additional electron-electron repulsions. 2. ...
November 7, 2011 by kali maa

ap chemistry
What amount of energy is required to com- pletely ionize 26.9 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole? Answer in units of J
April 15, 2013 by cheri

sience
An electron is moving in one dimension (x)subject to the periodic boundary conditions that the wave function reproduces itself after a length L(L is large_ a)add a perturbation V(x)=ecos qx where qL=2piN (N is large integer) recalculate the energy levels and stationary states ...
July 31, 2008 by vijaya

chemistry
What is the maximum number of Cs+ ions that can be produced per joule of energy absorbed by a sample of gaseous Cs atoms? Do you start by knowing the ionization energy for Cs. I really need assistance.
October 12, 2010 by Ysabella

chemistry
Infrared, ultraviolet, and visible radiation are all part of the electromagnetic spectrum. Arrange the three types of radiation in order of increasing energy? i put visible<infrared<ultraviolet. Is this correct though
January 11, 2010 by eng

chemistry
Determine the overall orders of the reactions to which the following rate laws apply: a. rate = k[NO2]^2 b. rate = k c. rate = k[H2][Br2]^1/2 d. rate = k[NO]^2[O2] I think the answers are: a. Second Order b. Zero Order c. First Order for H2 and One-half order for Br2 d. Second...
July 18, 2010 by Sara

math
arrange in descending order: 4/5, 6/20, 8/24 and 5/8.
March 19, 2013 by john

Chemistry
Arrange the different types of forces in order of increasing energy. Covalent, Hydrogen Bonding, Ion-Dipole, Dipole-Dipole, Induced Dipole-Dipole (induced and London dispersion), and Ionic Bonding
December 3, 2012 by Luis

geometry
List the following elements in proper set notation. Place the elements in numerical order within the set. * 0 * 1 * 123 * 4 * 34
January 28, 2010 by Amy S

geometry
List the following elements in proper set notation. Place the elements in numerical order within the set. * 0 * 1 * 123 * 4 * 34
February 1, 2010 by amanda

geometry
how do you do list the following elements in proper set notation. Place the elements in numerical order within the set. *0*123*4*34* 1
June 3, 2010 by alex

physics
Two small stereo speakers A and B that are 1.40m apart are sending out sound of wavelength 33.5cm in all directions and all in phase. A person at point P starts out equidistant from both speakers and walks (see the figure (Figure 1) ) so that he is always 1.50m from speaker B...
July 1, 2013 by Avantika

Math-Calculus (check please)
FOr the function f(x)=x^2e^x Find the critical points, increasing decreasing, first and second derivative and concavity I am having trouble finding the concavity >_< First derivative: xe^x(x+2) Second : e^x(x^2+4x+2) Critical points from first derivate: x=0,-2 Increasing...
November 1, 2008 by songyi

chem
what are 6 elemts that make up Yellow Gold? What are 6 elements that make up White Gold? What are 5 elements for platinum for gemstone settings? what are 2 elements that make up palladium for gemstone settings? what is 1 element that makes up a diamond? 3 elements that make up...
November 29, 2010 by samantha

chemistry
The reaction Cl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and second-order rate constants for the reaction from the data in the table below if the initial ozone concentration was ..0000000000825 M or 8.25*10^-11 M. ...
October 15, 2012 by Brun

chemistry
The reaction Cl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and second-order rate constants for the reaction from the data in the table below if the initial ozone concentration was ..0000000000825 M or 8.25*10^-11 M. ...
October 15, 2012 by Brun

chem
Section: Ionization expressions, Weak Bases Using the equilibrium constants listed in your book, arrange the following .1 M aqueous solutions in order of increasing pH. a)NaNO2 b)HCl c)NaF d)Zn(H2O)3(OH)(NO3) Here's what I have so far: a) NaNO2 --> Na+ + NO2- NO2- + H2O <...
April 28, 2007 by Chris

Chemistry
Consider an ionic compound, MX2, composed of generic metal M and generic halogen X. The enthalphy of formation of MX2= -891. The enthalphy of sublimation of M= 141. The first and second ionization energies of M are 605 and 1392. The electron affinity of X= -339. The bond ...
November 29, 2012 by Garcia

biology12 HELP ASAP TEST TOM
For each given word start with the wor and put the rest in order appropriately> RIBOSOME----> golgi complex, vesicale food to be digested, rough er, lysosome put in order MITOCHONDRIAN---> muscles use energy, energy made , carboydrate and oxygen sunlight---> ...
September 24, 2012 by john

Math
Emil is shopping for a convertible. He plans to test drive three cars, a Toyota, a Honda, and a Mazda. He also wants to test drive both the 5-speed standard and the automatic transmission in each, but the Mazda isn't made with an automatic transmission. He would like to test ...
May 21, 2008 by Amy

science
I am a main group element. I have 3 p-orbital electrons in my valence shell. I have a lower first ionization energy than arsenic. I am not the largest atom in my group. What element am I?
September 22, 2009 by Mat

Math
Arrange the following fractions in decending order 2/5 7/10 3/20
September 22, 2010 by Brandi

Algebra 1
Arrange the terms of -3x+4x^5 - 2x^3 so that the powers of x are in ascending order.
June 26, 2011 by Bella

Chemistry
Can you help me arrange P,Mg,N,Br,K in order of incrasing metallic character. Thank you.
November 7, 2011 by Anonymous

Math
arrange {-2.07, -2.007, -27/10, -2.77} in order from greatest to least
September 1, 2012 by Mike

math
Arrange the following in descending order. 0.8333;4/3;81.1%
February 28, 2013 by Blue

math
arrange the terms in descending order. 5 - 4x2 + x3 - 6x
March 8, 2013 by David

Chemistry
What is the lattice energy of NaH? Use the given information below: Heat of formation for NaH = -56.442 kJ/mol Head of sublimation for Na = 107.3 kJ/mol Ionization energy for Na = 496.00 kJ/mol Bond dissociation energy for H2 = 435.9kJ/mol Electron affinity of H = -72.8
December 7, 2009 by ChemProblem

Chemistry
What is the lattice energy of NaH? Use the given information below: Heat of formation for NaH = -56.442 kJ/mol Head of sublimation for Na = 107.3 kJ/mol Ionization energy for Na = 496.00 kJ/mol Bond dissociation energy for H2 = 435.9kJ/mol Electron affinity of H = -72.8
December 7, 2009 by LatticeEnergy??

Chemistry - Periodic Table+Cations(check+help)
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to form a cation, since ...
February 2, 2011 by Farah

Chemistry - Periodic Table+Cations(check+help)
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to form a cation, since ...
February 2, 2011 by Farah

Chemistry
What's the relationship between ionization energy and electron affinity? I ionization eneergy deals with losing electrons and electron affinity deals with gaining electrons, but I don't know how to explain the relationship.
February 18, 2011 by Emily

chem
What is the pH ( 3 significant digits) of a 0.01 M solution of sulfuric acid? Hint is that the first ionization constant is "large", and the second is finite, and the [H+] donated by the second equilibrium depends upon the amount of [H+] already donated by the first ionization...
March 26, 2008 by lyne

Math
Arrange the fractions in ascending order: 7/22, 2/5, 9/24 My answer is: 2/5, 7/22, 9/24 Is this correct?
July 16, 2009 by B.B.

CHEM
Arrange the following in order of increasing atomic radius : Co, Mo, S, Ge, Cs
October 30, 2010 by MAX

chemistry
Arrange the species O2, O2^+, O2^-, and O2^2- in order of increasing O-O bond length.
March 4, 2012 by Jimmy

Chemistry
Arrange the species O2, O2^+, O2^-, and O2^2- in order of increasing O-O bond length.
March 4, 2012 by Jimmy

chemistry
Arrange the species O2, O2^+, O2^-, and O2^2- in order of increasing O-O bond length.
March 4, 2012 by Lucas

algebra
collect like terms and then arrange in descending order. 8x^5 - 7x^9-7x^5+ 8x^9
May 15, 2012 by rr

Ap Chem
explain each of the following observations using principles of atomic stucture and/or bonding. a] potassium has a lower first-ionization engergy than lithium. b] the ionic radius of N3- is larger than that of O2-. c] a calcium atom is larger than a zinc atom. d] boron has a ...
January 23, 2007 by Emily

english
How can I make this a better five –sentence paragraph using chronological order to arrange the details of the paragraph? Signing to my homepage is simple. First I go to the school website which is ………. . Then I click on student login. Then I enter my username and password then...
March 10, 2010 by Me

sci-please revise
The Flow of Energy Through Ecosystems. Then, complete Appendix C and respond to the following: Identify the fruit or vegetable you selected and relate the second law of thermodynamics to the changes in energy observed in Appendix C. How did the amount of energy gained compare ...
June 24, 2008 by rose-

Chemistry Eq. Question
3H2(g) + N2(g) reverse reaction arrow 2NH3(g) What factors would affect the equilibrium constant for the reaction above? (Select all that apply.) increasing the H2 concentration decreasing the NH3 concentration increasing the temperature decreasing the temperature increasing ...
March 29, 2010 by Jeena

chem
Arrange the atoms in order of increasing IE1. As, Sb, Sn a. Sb < As < Sn ANSWER is it correct b. Sb < Sn < As c. Sn < Sb < As d. As < Sb < Sn
November 9, 2007 by Sam

help
arrange in ascending order 7/22, 2/5, 10/24 what is the prime factorization of 87750 in exponent form
October 24, 2010 by Anonymous

chemistry
pls arrange the following in their order of solubility: NH3, N2 AND CO2
November 24, 2010 by Anonymous

math
how do I arrange these fraction or mixed numbers in order from smallest to largest 1)5/6,5/7,-3/4,2/3,9/11,-3/7 and 2)2 1/2, -7/2,-2 1/3,2 4/5,2 3/8.
December 22, 2013 by kimberly

Math
The first three elements of a number sequence are 1, 2, 3. ( As you can see, the middle number is one less than the product of its neighbors. This is true for the rest of the elements of this sequence. Now add the elements of the sequence up to a certain element. Could this ...
October 4, 2009 by Diana

Chemistry
True or false 1. The energy of a collision between atoms or molecules must be greater than the activation energy for bonds to be broken? 2. Decreasing the temperature decreases the kinetic energy of the reactant, and the reaction goes more slowly? 3. two or more atoms must ...
July 19, 2011 by Josh

Chemistry*Dr.Bob
I keep finding all sorts of different enthalpy of vaporizations for bromine. I used: 254.66 So factoring 254.66/2 into my equation below i ended up with a lattice energy of -863.33. Can you confirm this? ____________________________________________________________ What is the ...
February 2, 2011 by Crystal

Chemistry
what are electronegativity, electron affinity, and ionization energy?
September 27, 2009 by mike

Chemistry
Why is ionization energy for calcium greater than that for potassium?
August 4, 2013 by mariana

Chemistry Lab
Infrared, ultraviolet, and visible radiation are all part of the electromagnetic spectrum. Arrange the three types of radiation in order of increasing energy. Note: Use only infrared, ultraviolet, or visible for your answers. Lowest: ___<___<___ :Highest
January 17, 2011 by Shawn Tabrizi

CHEMISTRY
Arrange the following ions in order of increasing size: Br- Ca2+ K+ Se2-
October 22, 2008 by Giznelbell

CHEM
Arrange the following in order of increasing atomic radii from smallest to largest. Mg Ra Sr Be Ca Ba
October 18, 2012 by Lena

algebra
arrange the terms in descending order (can any one give an example) 5-4x2+x3-6x
March 8, 2013 by David

Math
How many ways can you arrange the order of 4articles on a shelf?please explain why it is 4 x3x2x1,thanks
November 4, 2013 by Sarah

Math
theres a question on my homework packet. Here it is: -The Data contains 7 elements. -all the elements are greater than 6 but less than 24. -the mode of the set is 18 -the range and the mean are 15 -the meadian is 16 -The set cobtains exactley 3 odd numbers -when ordered from ...
July 16, 2008 by Veronica

Chemistry
The estimated lattice energy for is CsF2+2347kj/mol. Use the data given to calculate an overall energy change (in kilojoules per mole) for the formation of from its elements. Ea for F = -328 E11 forCs = +375.7 E12 for Cs = +2422 Heat of sublimation for Cs = 76.1 Bond ...
November 9, 2010 by diane

chemistry
1. Is there a way to put energy into Zinc Iodide in order to Regain the Elements, Zinc and Iodine? If there is a Way, How does it Happen? 2. What are the Identities of the substances found after electrolysis and heating? I don't understand these questions. Any help would be ...
September 22, 2011 by John M.

chemistry
what is the ionization reaction and acid ionization constant expression for the HS- ion in water?
May 13, 2012 by ryan

Chemistry(Please check)
8. The half-life of a reaction was found to be inversely dependent on the concentration of the starting material. Thus, we can say that a. the reaction is zero order b.the reaction is first order c.the reaction is second order d. the reaction starts out first order and changes...
February 20, 2012 by Hannah

modern algebra
I have two questions... I would really appreciate some help... 1) Suppose phi is a homomorphism from G to G' and that G' has an element of order 8. Prove that G has an element of order 8. (I can show that G has an element g^8 that maps to the identity in G', but I think this ...
February 27, 2008 by daniel

chemistry
Do nonmetals have a higher or lower ionization energy?
December 1, 2008 by Anonymous

chem
why does fluorine have a higher ionization energy than iodine?
January 24, 2010 by samuel

chemistry
what is the difference between electron affinity and ionization energy?
January 24, 2010 by Jeremy

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