Water and the Properties of Water

Last updated about 5 years ago
2 questions
1

Match the term to the correct definition

Draggable itemCorresponding Item
solution
A combination of two or more substances that are NOT chemically combined
mixture
a pure substance made of only one kind of atom and cannot be broken down
solute
Anything that has mass and takes up space
element
A substance that is made of two or more elements that are chemically combined
molecule
the smallest unit of most compounds
Polarity (polar)
The part of a solution that does the dissolving
matter
the part of a solution that is being dissolved
solvent
A mixture that forms when one substance dissolves another
atom
The smallest part of an element
compound
means that the overall charge of a molecule is neutral even though opposite ends of the molecule have small opposite charges
1

Match the term to the correct definition.

Draggable itemCorresponding Item
cohesion
the amount of heat needed to raise the temperature of 1 Kg of a substance 1degree Celcius
slightly negative
the force of attraction between water molecules and other water molecules
universal solvent
a property of water that exists because ice is less dense than liquid water
surface tension
tightness across the surface of water.
Ice floats
the force of attraction between water molecules and other substances like glass.
capillary action
the property of water that is due to the combined force of attraction - both cohesion and adhesion. (how water enters roots of a plant)
Heat capacity or specific heat
water is often called this because it dissolves so many substances.
hydrogen bond
the bond created between water molecules
slightly positive
the oxygen end of a water molecule
adhesion
the hydrogen end of a water molecule