1: The water molecule Quizellenjmchenry2019-06-24T23:13:20-04:00 Please sign up for the course before taking this quiz. What is another name for a hydrogen ion?1 Hydroxyl Proton Electron Molecule Why does the “ear” side of the water molecule have a positive electrical charge?1 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 are far away from the oxygen's nucleus. Because the hydrogens don't have any neutrons. NaOH (sodium hydroxide) will dissolve in water because it is…1 negative alkaline postive polar The words “hydrogen ion” and “proton” can be used interchangeably.1 True False Regular water never has any ions (H+ or OH-) in it.1 True False Water is a polar molecule.1True / False True False An oxygen atom has how many protons?1 8 2 6 16 What causes salt to dissolve in water?1 The temperature of the water. The pull of the water molecules' postive and negative charges. The fact that salt is an unstable crystal. The presence of ions in the water. Water molecules can break apart into and H+ and an OH-. What is the OH- part called?1 hydronium ion hydrogen ion hydroxide ion When a molecule has one side that is more negative and one side that is more positive, we say that the atom is…1 polar covalent an ion radioactive How many protons does a hydrogen atom have?1 0 8 1 2 What do you call H3O?1 hydrogen ion hydroxide ion ozone hydronium ion The Periodic Table is a complete list of all known…1 chemicals molecules elements periods What percentage of an adult human body is water molecules?1 30 to 40 percent 80 percent 50 percent 60 to 70 percent Which one of these does a water molecule NOT do?1 dissolve a lot of substances share electrons with other molecules split apart vibrate The oxygen atom of the water molecule has a slightly negative charge to it.1 True False 2: Carbon atoms and fatty acids Back to: 1: The water molecule
Please sign up for the course before taking this quiz. What is another name for a hydrogen ion?1 Hydroxyl Proton Electron Molecule Why does the “ear” side of the water molecule have a positive electrical charge?1 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 are far away from the oxygen's nucleus. Because the hydrogens don't have any neutrons. NaOH (sodium hydroxide) will dissolve in water because it is…1 negative alkaline postive polar The words “hydrogen ion” and “proton” can be used interchangeably.1 True False Regular water never has any ions (H+ or OH-) in it.1 True False Water is a polar molecule.1True / False True False An oxygen atom has how many protons?1 8 2 6 16 What causes salt to dissolve in water?1 The temperature of the water. The pull of the water molecules' postive and negative charges. The fact that salt is an unstable crystal. The presence of ions in the water. Water molecules can break apart into and H+ and an OH-. What is the OH- part called?1 hydronium ion hydrogen ion hydroxide ion When a molecule has one side that is more negative and one side that is more positive, we say that the atom is…1 polar covalent an ion radioactive How many protons does a hydrogen atom have?1 0 8 1 2 What do you call H3O?1 hydrogen ion hydroxide ion ozone hydronium ion The Periodic Table is a complete list of all known…1 chemicals molecules elements periods What percentage of an adult human body is water molecules?1 30 to 40 percent 80 percent 50 percent 60 to 70 percent Which one of these does a water molecule NOT do?1 dissolve a lot of substances share electrons with other molecules split apart vibrate The oxygen atom of the water molecule has a slightly negative charge to it.1 True False
