CHE 2C Study Guide - Final Guide: Coinage Metals, Alkaline Earth Metal, Ionic Radius
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Unit i: electrochemistry unit ii: inorganic chemistry unit iii: chemical kinetics unit iv: nuclear chemistry. Which element group is the most reactive of all the metallic elements? (a) alkali metals (b) alkaline earth metals (c) coinage metals (d) transition metals (e) group 2b metals. In a surprisingly large number of their properties beryllium resembles aluminum, and boron resembles silicon. Such a relationship is called: (a) amphoterism (b) an allotropic relationship (c) a diagonal relationship (d) the periodic law (e) an isoelectronic series. Which of the following properties of the alkaline earth metals decreases with increasing atomic weight? (a) ionic radii (b) ionization energy (c) atomic radii (d) activity (e) atomic number. Of the following oxides, the most basic is: (a) mgo. (b) na o. A 300 g sample of caco was heated until 10. 0 l of co was collected at 50. 0 c and 742 torr. Caco haddecomposed? (a) 6. 84% (b) 9. 10% (c) 12. 3% (d) 15. 8% (e) 20. 6% o.
