Chemistry Fall Review

(Target P5)  Alkali metals, alkaline earth metals, and halogens are names associated with

• groups
• periods
• actinide series
• transition elements

(Target P7)  What element is a halogen that exists as a liquid at room temperature?

• Cl
• Br
• Hg
• Kr

(Target P9)  The d-block is ten groups wide because it represents the filling of the

• two d orbitals that hold a maximum of 5 electrons.
• two d orbitals that hold a maximum of 10 electrons.
• five d orbitals that hold a maximum of 5 electrons.
• five d orbitals that hold a maximum of 10 electrons.

(Target P9)  The electron configuration for an alkali metal in period 2.

• [He]1s1
• [He]1s2
• [He]2s1
•  [Ne]2s2

(Target P10)  When bromine becomes an ion, what is the highest energy orbital that is filled?

• 4d
• 3p
• 4p
• 5s

(Target P10) Isoelectronic elements

• have the same number of electrons
• involve noble gases
• involve charged elements
• all of the above

(Target P10)  Which of the following would become isoelectronic with argon when it ionizes?

• Na
• Al
• Ra
• K

(Target P11)  Which of the following factors contributes to the relatively greater atomic size of the higher atomic number elements within a particular family of the periodic table?

• more shielding of the outer electrons by the inner electrons
• larger nuclei 
• smaller number of valence electrons
• greater number of protons

(Target P11)  Which of the following has the largest ionic radius?

• Br
• O₂
• Mg
• K

(Target P11)  Ionization energy can be defined as 

• the relative ability of an ion to repel electrons in a chemical bond
• relative ability of an element to attract electrons in a chemical bond
• energy needed to remove an electron from an atom.
• energy required to separate one mole of the ions of an ionic compound