- Consider these elements: P, Ca, Si, S, Ga. a. Write the electron configuration for each element. b. Arrange the elements in order of decreasing atomic radius. c. Arrange the elements in order of increasing ionization energy. d. Use the electron configurations in part a to explain the differences between your answers to parts b and c.
Problema 1
- Write the balanced chemical equation for the reaction between chlorine gas and fluorine gas.
Problema 9
Problema 22
Which of the transition elements in the first transition series have anomalous electron configurations?
Problema 39
Write the full electron configuration for each element. . P b. F c. Ca d. Ar
Problema 41
Write the full orbital diagram for each element. a. N b. F c. Mg d. Al
Problema 42a
Write the full orbital diagram for each element. a. S
Problema 42b
Write the full orbital diagram for each element. b. Ca
Problema 42c,d
Write the full orbital diagram for each element. c. Ne d. He
Problema 43b
Use the periodic table to write an electron configuration for each element. Represent core electrons with the symbol of the previous noble gas in brackets. b. As
Problema 43c
Use the periodic table to write an electron configuration for each element. Represent core electrons with the symbol of the previous noble gas in brackets. c. Nb
Problema 44d
Use the periodic table to determine the element corresponding to each electron configuration. d. [Kr] 5s2
Problema 45b
Use the periodic table to determine the element corresponding to each electron configuration. b. [Ar] 4s23d104p5
Problema 45d
Use the periodic table to determine the element corresponding to each electron configuration. d. [Kr] 5s24d105p3
Problema 47a
Use the periodic table to determine each quantity. a. the number of 2s electrons in Li
Problema 47b
Use the periodic table to determine each quantity.
b. the number of 3d electrons in Cu
Problema 47c
Use the periodic table to determine each quantity. c. the number of 4p electrons in Br
Problema 48
Use the periodic table to determine each quantity.
b. the number of 3d electrons in Cr
Problema 49a
Name an element in the fourth period (row) of the periodic table with the following: a. two 3d electrons
Problema 49b
Name an element in the fourth period (row) of the periodic table with the following: b. three 4p electrons
Problema 49c
Name an element in the fourth period (row) of the periodic table with the following: c. four 3d electrons
Problema 49d
Name an element in the fourth period (row) of the periodic table with the following: d. full s and p sublevels
Problema 50a
Name an element in the third period (row) of the periodic table with the following: d. two 3s electrons and one 3p electron
Problema 50b
Name an element in the third period (row) of the periodic table with the following: b. five 3p electrons
Problema 50c
Name an element in the third period (row) of the periodic table with the following: c. four 3p electrons
Problema 50d
Name an element in the third period (row) of the periodic table with the following: d. two valence electrons
Problema 51b
Determine the number of valence electrons in an atom of each element. b. Sr
Problema 52
Determine the number of valence electrons in each element. a. Cl b. In c. C d. As
Problema 53a
Which outer electron configuration would you expect to belong to a reactive metal? a. ns2 b. ns2np6 c. ns2np5 d. ns2np2
Problema 53b
Which outer electron configuration would you expect to belong to a reactive nonmetal? a. ns2 b. ns2np6 c. ns2np5 d. ns2np2
Problema 54a
Which outer electron configurations would you expect to belong to a noble gas? a. ns2 b. ns2np6 c. ns2np5 d. ns2np2
Ch.9 - Periodic Properties of the Elements
