1: The water molecule Quizellenjmchenry2021-10-01T23:29:55-04:00 Please sign up for the course before taking this quiz. The oxygen atom of the water molecule has a slightly negative charge to it.1 True False What is another name for a hydrogen ion?1 Hydroxyl Molecule Proton Electron The Periodic Table is a complete list of all known…1 molecules periods elements chemicals When a molecule has one side that is more negative and one side that is more positive, we say that the atom is…1 radioactive covalent polar an ion What do you call H3O?1 hydronium ion hydroxide ion hydrogen ion ozone Which one of these does a water molecule NOT do?1 vibrate share electrons with other molecules dissolve a lot of substances split apart An oxygen atom has how many protons?1 2 6 8 16 NaOH (sodium hydroxide) will dissolve in water because it is…1 negative postive polar alkaline Water is a polar molecule.1True / False True False How many protons does a hydrogen atom have?1 1 2 0 8 What percentage of an adult human body is water molecules?1 50 percent 30 to 40 percent 60 to 70 percent 80 percent Water molecules can break apart into and H+ and an OH-. What is the OH- part called?1 hydroxide ion hydronium ion hydrogen ion Why does the “ear” side of the water molecule have a positive electrical charge?1 Because the hydrogens are far away from the oxygen's nucleus. Because the hydrogen atoms don't get the shared electrons very often. Because the electrons spend more time around the hydrogens than anywhere else. Because the hydrogens don't have any neutrons. Regular water never has any ions (H+ or OH-) in it.1 True False What causes salt to dissolve in water?1 The presence of ions in the water. The pull of the water molecules' postive and negative charges. The fact that salt is an unstable crystal. The temperature of the water. The words “hydrogen ion” and “proton” can be used interchangeably.1 True False 2: Carbon atoms and fatty acids Back to: 1: The water molecule
