Matter. short quiz

Select which of the following is true. This is multiple choice.

• The Particles of matter are in constant random motion.

• The particles of matter are big in size.

• The particles of matter do not attract.

• The particles of matter have space between them.

The particles of matter are in constant _______ ______.

Which of the following is a monoatomic molecule?

• Hydrogen Molecule

• Oxygen

• Argon

• Ammonia Molecule

The spacing between the molecules of matter is called ______________ _____.

The particles of matter are in constant random motion. Give reason.

What is the number of free spaces in liquids?

• Five

• Seven

• Two

• One

A molecule or a cluster of several molecules is called a ___________.

The ______ thinker Democritus called the smallest particle atom.