How many bonding pair/lone pair of electons surround the hydrogen atom in a water molecule? 1 bonding pair/0 lone pair. 1 bonding pair/3 lone pair 1 bonding pair/2 lone pair 2 bonding pair/2 lone pair Not enough information is provided.

For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. name hydrogen fluoride acetic acid compound hydrogen iodide formula or Lewis structure HF H :0: |_|| H- C-C-O-H H HI Between molecules of the compound? ОО ОО yes no yes no hydrogen-bonding force yes no Between molecules of the compound and molecules of water? ОО ОО yes no yes no yes no X Ś

What type of chemical bond holds the atoms together within a water molecule? ionic bond nonpolar covalent bond polar covalent bond O d hydrogen bond

For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. compound hydrogen-bonding force Between molecules of the compound and molecules of water? Between formula or Lewis name molecules of the structure compound? H H O yes yes Н —с —N- | methylamine no no H yes yes hypobromous acid HBRO no no yes yes hydrogen fluoride HF no no O O O OO O O OOO

For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. compound hydrogen-bonding force Between Between molecules of formula or Lewis molecules of the the compound and molecules of water? name structure compound? yes yes hypochlorous acid HciO no no NH3 yes yes ammonia no no H :0: yes yes н —с — с-0 — н | acetic acid no no H

For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. compound hydrogen-bonding force Between Between molecules of formula or Lewis molecules of the the compound and molecules of water? name structure compound? yes yes hypobromous acid HBRO no no H :0: yes yes н —с —с—о — н | acetic acid | no no H H yes yes methylamine н— с - no no H. O O H- Z:

For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. compound hydrogen-bonding force Between molecules of the compound and molecules of water? Between formula or Lewis name molecules of the structure compound? H H O) yes yes ethane Н — С — С — н no no H H yes yes hydrogen fluoride HF no no :0: yes yes formic acid н — С — ӧ— н no no O O O O O O O O O O

For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. compound hydrogen-bonding force Between Between molecules of formula or Lewis molecules of the the compound and molecules of water? name structure compound? yes yes hydrogen chloride HCl no no H H yes yes ethane Н—с — с — н no no H H yes yes hypochlorous acid HciO no no O O O O

Polarity of a molecule is important because polar molecules have different behavior and characteristics than a nonpolar molecule. O True O False

For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. compound hydrogen-bonding force Between molecules of the compound and molecules of water? Between formula or Lewis name molecules of the structure compound? H Ol yes yes methanimine H - c=N– H O no no О yes О yes hydrogen chloride HCl no no H | о — н yes yes methanol Н— С — no no H ? O O O O O O O O