1 A) BaH3 B) CH3 C) NaH3 D) NH3 2 A) the largest atom B) the smallest atom C) the most electronegative atom D) the least electronegative atom 3 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007874637x/514708/Fig_12_9.jpg','popWin', 'width=361,height=166,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (18.0K)</a>]]> A) dipole-dipole forces B) dispersion forces C) ionic bonding D) hydrogen bonding 4 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007874637x/514708/figure_12_11.jpg','popWin', 'width=436,height=255,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (31.0K)</a>]]> A) hydrogen atoms in different molecules B) hydrogen atoms in one molecule and oxygen atoms in another molecule. C) hydrogen atoms in the same molecule D) hydrogen atoms and oxygen atoms in the same molecule 5 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007874637x/514708/Tab_12_3.jpg','popWin', 'width=480,height=371,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (63.0K)</a>]]> A) Methane forms hydrogen bonds due to its four hydrogen atoms. B) Ammonia is a gas at room temperature because nitrogen is less electronegative than water. C) Water is a liquid at room temperature because of the strength of its hydrogen bonds. D) Methane molecules are nonpolar.
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