Midterm 9th Science pd 2b

Front

What element is found in all organic compounds?

Back

Carbon

Front

What is the mass number?

Back

The number of protons and neutrons.

Front

What does surface tension mean?

Back

A thin skin on the surface of water.

Front

What does capillary action mean?

Back

Water molecules can defy gravity in small spaces.

Front

What is the name of the family that includes Fluorine and Chlorine?

Back

Halogen Family.

Front

What is the primary component of organic molecules?

Back

Carbon.

Front

What is the difference between mass number and atomic number?

Back

Mass number is the sum of protons and neutrons; atomic number is the number of protons.

Front

What causes surface tension in water?

Back

Hydrogen bonds between water molecules.

Front

What is cohesion in terms of water molecules?

Back

The attraction between water molecules.

Front

What is adhesion in terms of water molecules?

Back

The attraction between water molecules and other substances.