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properties of water

QuestionAnswer
why is water a unique compound? 1. its the only substance that Is a liquid, solid, and a gas. 2. has a high specific heat. 3.forms drops if you spill on a flat surface. 4.ice floats in water. 5. has unusual properties because of its molecules.
what is cohesion? the attraction among molecules that are alike.
what is adhesion? the attraction among molecules that are not alike.
what two elements make up a water molecule. oxygen and hydrogen
what is polarity? a condition in which opposite ends of a molecule have positive and negative charges.
what states of matter can water exist on earth? solid, liquid, and gas
what causes drops to form when you drop water onto a counter? drops form because a liquid is falling onto a solid surface.
why does ice float in water? it has a lower density than water
What kind of chemical bond attracts water molecules to each other and substances that dissolve iin it? Hydrogen bonds
Created by: cheyla322
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