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Solid to gas
Water
H2O; Two positive hydrogen atoms and one negative oxygen atom
Cohesion and Surface Tension
Melting
Evaporation
Ice is less dense than water due to the large space between water molecules in ice crystals.
Sublimation
The uneven sharing of electrons that creates a slightly positive and negative side.
Liquid to gas
Water
H2O; Two positive hydrogen atoms and one negative oxygen atom
Cohesion and Surface Tension
Melting
Evaporation
Ice is less dense than water due to the large space between water molecules in ice crystals.
Sublimation
The uneven sharing of electrons that creates a slightly positive and negative side.
Which two forces are working together to make a dome on a penny?
Water
H2O; Two positive hydrogen atoms and one negative oxygen atom
Cohesion and Surface Tension
Melting
Evaporation
Ice is less dense than water due to the large space between water molecules in ice crystals.
Sublimation
The uneven sharing of electrons that creates a slightly positive and negative side.
Why does ice float in water?
Water
H2O; Two positive hydrogen atoms and one negative oxygen atom
Cohesion and Surface Tension
Melting
Evaporation
Ice is less dense than water due to the large space between water molecules in ice crystals.
Sublimation
The uneven sharing of electrons that creates a slightly positive and negative side.
Which of the following statements best describes a polar molecule?
Water
H2O; Two positive hydrogen atoms and one negative oxygen atom
Cohesion and Surface Tension
Melting
Evaporation
Ice is less dense than water due to the large space between water molecules in ice crystals.
Sublimation
The uneven sharing of electrons that creates a slightly positive and negative side.
Describe the structure of water.
Water
H2O; Two positive hydrogen atoms and one negative oxygen atom
Cohesion and Surface Tension
Melting
Evaporation
Ice is less dense than water due to the large space between water molecules in ice crystals.
Sublimation
The uneven sharing of electrons that creates a slightly positive and negative side.
Solid to liquid
Water
H2O; Two positive hydrogen atoms and one negative oxygen atom
Cohesion and Surface Tension
Melting
Evaporation
Ice is less dense than water due to the large space between water molecules in ice crystals.
Sublimation
The uneven sharing of electrons that creates a slightly positive and negative side.
What is the only substance on Earth to exist in all 3 states?
Water
H2O; Two positive hydrogen atoms and one negative oxygen atom
Cohesion and Surface Tension
Melting
Evaporation
Ice is less dense than water due to the large space between water molecules in ice crystals.
Sublimation
The uneven sharing of electrons that creates a slightly positive and negative side.
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