Use the periodic table to determine the element corresponding to each electron configuration. a. [Ar] 4s²3d¹⁰4p⁶ b. [Ar] 4s²3d² c. [Kr] 5s²4d¹⁰5p²

Write the electron configuration for each ion. d. Mo³⁺ e. V³⁺

Write the full orbital diagram for each element. c. Ne d. He

If core electrons completely shielded valence electrons from nuclear charge (i.e., if each core electron reduced nuclear charge by 1 unit) and if valence electrons did not shield one another from nuclear charge at all, what would be the effective nuclear charge experienced by the valence electrons of each atom? c. O d. C

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

Use the periodic table to determine each quantity.

b. the number of 3d electrons in Cu

Which of the transition elements in the first transition series have anomalous electron configurations?

Write the full electron configuration for each element. a. Si b. O c. K d. Ne

Write the full orbital diagram for each element. a. N b. F c. Mg d. Al

Write the full orbital diagram for each element. a. S

Write the full orbital diagram for each element. b. Ca

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

Use the periodic table to determine each quantity. a. the number of 2s electrons in Li

Use the periodic table to determine each quantity. c. the number of 4p electrons in Br

Use the periodic table to determine each quantity.

b. the number of 3d electrons in Cr

Name an element in the fourth period (row) of the periodic table with the following: a. five valence electrons

Name an element in the fourth period (row) of the periodic table with the following: b. four 4p electrons

Name an element in the fourth period (row) of the periodic table with the following: c. three 3d electrons

Name an element in the fourth period (row) of the periodic table with the following: d. full s and p sublevels

Name an element in the third period (row) of the periodic table with the following: a. three valence electrons

Name an element in the third period (row) of the periodic table with the following: b. four 3p electrons

Name an element in the third period (row) of the periodic table with the following: c. six 3p electrons

Name an element in the third period (row) of the periodic table with the following: d. two 3s electrons and no 3p electrons

Determine the number of valence electrons in an atom of each element. b. Cs

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

Which outer electron configuration would you expect to belong to a reactive metal? a. ns² b. ns²np⁶ c. ns²np⁵ d. ns²np²

Which outer electron configuration would you expect to belong to a reactive nonmetal? a. ns² b. ns²np⁶ c. ns²np⁵ d. ns²np²

Which outer electron configurations would you expect to belong to a noble gas? a. ns² b. ns²np⁶ c. ns²np⁵ d. ns²np²

Which outer electron configurations would you expect to belong to a metalloid? ns² b. ns²np⁶ c. ns²np⁵ d. ns²np²

According to Coulomb's law, which pair of charged particles has the lowest potential energy? a. a particle with a 1- charge separated by 150 pm from a particle with a 2+ charge b. a particle with a 1- charge separated by 150 pm from a particle with a 1+ charge c. a particle with a 1- charge separated by 100 pm from a particle with a 3+ charge