- 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
Problema 8.47b
Use the periodic table to determine each quantity.
b. the number of 3d electrons in Cu
- 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 41
Write the full electron configuration for each element. a. Si b. O c. K d. Ne
Problema 42
Write the full electron configuration for each element. a. C b. P c. Ar d. Na
Problema 43
Write the full orbital diagram for each element. a. N b. F c. Mg d. Al
Problema 44a
Write the full orbital diagram for each element. a. S
Problema 44b
Write the full orbital diagram for each element. b. Ca
Problema 44c,d
Write the full orbital diagram for each element. c. Ne d. He
Problema 45a,b,d
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. a. P b. Ge c. I
Problema 45c
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. Zr
Problema 46a,b,c
Use the periodic table to determine the element corresponding to each electron configuration. a. [Ar] 4s23d104p6 b. [Ar] 4s23d2 c. [Kr] 5s24d105p2
Problema 46d
Use the periodic table to determine the element corresponding to each electron configuration. d. [Kr] 5s2
Problema 47a
Use the periodic table to determine each quantity. a. the number of 2s electrons in Li
Problema 47b,d
Use the periodic table to determine each quantity. b. the number of 3d electrons in Cu d. the number of 4d electrons in Zr
Problema 47c
Use the periodic table to determine each quantity. c. the number of 4p electrons in Br
- Use the periodic table to determine each quantity. a. the number of 3s electrons in Mg b. the number of 3d electrons in Cr c. the number of 4d electrons in Y d. the number of 6p electrons in Pb
Problema 48
Problema 48b
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. five valence electrons
Problema 49b
Name an element in the fourth period (row) of the periodic table with the following: b. four 4p electrons
Problema 49c
Name an element in the fourth period (row) of the periodic table with the following: c. three 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: a. three valence electrons
Problema 50b
Name an element in the third period (row) of the periodic table with the following: b. four 3p electrons
Problema 50c
Name an element in the third period (row) of the periodic table with the following: c. six 3p electrons
Problema 50d
Name an element in the third period (row) of the periodic table with the following: d. two 3s electrons and no 3p electrons
Problema 51a,c,d
Determine the number of valence electrons in an atom of each element. a. Ba c. Ni d. S
Problema 51b
Determine the number of valence electrons in an atom of each element. b. Cs
Problema 52
Determine the number of valence electrons in each element. Which elements do you expect to lose electrons in chemical reactions? Which do you expect to gain electrons? a. Al b. Sn c. Br d. Se
Ch.8 - Periodic Properties of the Elements
