CHE 111 C7--Periodic Properties: Question Preview (ID: 9044)


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Zeff * from left to right across a period, and * going down a column.
a) decreases, decreases b) decreases, increases c) increases, decreases d) increases, increases
Atomic radii * from left to right across a period and * down a column.
a) decreases, decreases b) decreases, increases c) increases, decreases d) increases, increases
Choose the ions that are isoelectronic.
a) S-2, Cl-, Mg+2 b) Na+, K+, Rb+ c) Sr+2, Rb+, Br- d)
Ionization energy * from left to right across a period and * down a column.
a) decreases, decreases b) decreases, increases c) increases, decreases d) increases, increases
Electron affinity can be thought of as how easy it is to *
a) remove an electron b) add an electron c) promote an electron to the next energy level d)
Metals tend to be * and and form *.
a) oxidized, anions b) oxidized, cations c) reduced, anions d) reduced, cations
Metal oxides tend to be * and nonmetal oxides tend to be *.
a) acidic, basic b) basic, acidic c) neutral, acidic d) basic, neutral
The most active metals are the *
a) alkali metals b) alkaline earth metals c) transition metals d) metalloids
All elements in this group exist as diatomic molecules.
a) alkali metals b) oxygen group c) halogens d) noble gases
The names of O(2-), O2(2-), and O2(1-)
a) oxide, superoxide, peroxide b) peroxide, oxide, superoxide c) oxide, peroxide, superoxide d)
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