Found. Flashcard Properties of Water, Acids, Bases, & pH

Front

The hydrogen atoms in a water molecule are ________________ charged.

Back

positively

Front

Why does water move from the roots to the leaves of plants?

Back

Capillary action pulls the water molecules up like a chain.

Front

Surface tension is caused by ...

Back

strong cohesion between water molecules.

Front

Water is a polar molecule, which means it has a positive and a negative side. Hydrogen bonds form when:

Back

The positive end of one water molecule bonds to the negative end of another water molecule.

Front

True or False: Water exists in the following states: Solid, Liquid, Gas

Back

True

Front

What property of water allows it to dissolve many substances?

Back

Water's polarity.

Front

What is the pH scale used for?

Back

To measure the acidity or basicity of a solution.

Front

What is an acid?

Back

A substance that donates protons (H+) in a solution.

Front

What is a base?

Back

A substance that accepts protons (H+) or donates hydroxide ions (OH-) in a solution.

Front

What is the pH of pure water?

Back

7, which is considered neutral.