Question

In: Chemistry

An element has the following first through fourth ionization energies (in kJ/mol): 700; 1500; 7700; 10500....

An element has the following first through fourth ionization energies (in kJ/mol): 700; 1500; 7700; 10500. Deduce to which column of the periodic table it porbably belongs. Give your reasoning

Solutions

Expert Solution

Given that first to fourth ionization energies (in kJ/mol): 700 ; 1500; 7700; 10500

These values corresponds to 2nd column of periodic table i.e. IIA group.

Reason:

The outer electronic configuration of  IIA group is ns2.

The two outer 's' electrons require less energy for removal. So 1st and 2nd IP values are less.

After removal of two electrons,  IIA group elements attain noble gas configuration.

Therefore, 3rd and 4th ionization energie values are higher than 1st and 2nd  ionization energies.

Hence, given ionization energy values corresponds to 2nd column of periodic table i.e. IIA group.

Exactly, the above ionization energies are of Magnesium.


Related Solutions

An element of the third period has the following ionization energies in KJ/mol
An element of the third period has the following ionization energies in KJ/mol: IE1 = 1012, IE2 = 1903, IE3 = 2910, IE4 = 4956, IE5 = 6278 and IE6 = 22,230. USing only this data determine which one is the element.
Identify the element of Period 2 that has the following successive ionization energies, in kJ/mol. IE1...
Identify the element of Period 2 that has the following successive ionization energies, in kJ/mol. IE1 = 1314   IE2 = 3389   IE3 = 5298   IE4 = 7471   IE5 = 10992 IE6 = 13329    IE7 = 71345    IE8 = 84087 Li Ne B O
Identify the element of Period 3 which has the following successive ionization energies, in kJ/mol
Identify the element of Period 3 which has the following successive ionization energies, in kJ/mol
Question 1: a. The first four ionization energies of an element are approximately: 738 kJ mol-1,...
Question 1: a. The first four ionization energies of an element are approximately: 738 kJ mol-1, 1450 kJ mol-1, 7.7 x 103 kJ mol-1, and 1.1 x 104 kJ mol-1. Which family (group) of elements does this element belong? Explain. b. In a photoelectron spectroscopy experiment the kinetic energy of the ejected electron from a potassium atom is found to be 5.34 x 10-19 J using a UV source of wavelength 162 nm. Calculate the ionization energy. i. It is...
The successive ionization energies for an unknown element are IE1 = 896 kJ/mol IE2 =1752 kJ/mol...
The successive ionization energies for an unknown element are IE1 = 896 kJ/mol IE2 =1752 kJ/mol IE3 =14,807 kJ/mol IE4 =17,948 kJ/mol To which family in the periodic table does the unknown element most likely belong?
The successive ionization energies of a certain element are: I1 = 899 kJ/mol, I2 =1,757 kJ/mol,...
The successive ionization energies of a certain element are: I1 = 899 kJ/mol, I2 =1,757 kJ/mol, I3= 14,850 kJ/mol, I4 = 21,005 kJ/mol, This pattern of ionization energies suggests that the unknown element is:
A period three element has 738, 1451, and 7733 kJ/mol as its first three ionization energies....
A period three element has 738, 1451, and 7733 kJ/mol as its first three ionization energies. What is the symbol of this element?
The first four ionization energies in kJ/mol of a certain second-row element are 801, 2427, 3660,...
The first four ionization energies in kJ/mol of a certain second-row element are 801, 2427, 3660, and 25,025. What is the likely identity of the element?
The list below shows the ionization energies for elements 50 through 55: Element 50: 709 kJ/mol...
The list below shows the ionization energies for elements 50 through 55: Element 50: 709 kJ/mol Element 53: 1008 kJ/mol Element 51: 834 kJ/mol Element 54: 1170 kJ/mol Element 52: 869 kJ/mol Element 55: 376 kJ/mol a) Explain why the ionization energies increase as you go from element 50 to element 54. b) Explain why the ionization energy drops dramatically as you go from element 54 to element 55. c) Would you expect the ionization energy of element 56 to...
Determine which 3 element is being described by the following successive ionization energies (kJ/mol) Ei1 =...
Determine which 3 element is being described by the following successive ionization energies (kJ/mol) Ei1 = 578; Ei2 = 1,817; Ei3 = 2,745; Ei4 = 11,575; Ei5 = 14,830; Ei6 = 18,376; and Ei7 = 23,293? Al S Cl Mg
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT