Basic Concepts about Matter

According to Dalton's theory, matter is made of tiny indivisible particles called _____.

• atoms

• molecules

• compounds

• ions

Which state of matter is characterized by low densities due to the wide separation of uncharged particles?

• solid

• liquid

• gas

• plasma

Which state of matter is characterized by the presence of charged particles of gases?

• solid

• liquid

• gas

• plasma

Which is true about liquids?

• It has a definite shape and volume.

• It has a definite volume and mass.

• It has a definite mass and shape but not volume.

• It has a definite density and but not mass and shape.

Which type of matter is the the most incompressible?

• solid

• liquid

• gas

• plasma