Which of the following describes the characteristics of a gas? made up of particles packed closely together, having both definite shape and definite volume made up of particles packed relatively close together, having an indefinite shape but a definite volume made up of particles that are far apart from each other, having both indefinite shape and indefinite volume made up of positively charged particles and negatively charged electrons, having both indefinite shape and indefinite volume

I think made up of  particles that are far apart from each other, having both indefinite shape and indefinite volume describes the characteristics of a gas. 

The correct statement is made up of particles that are far apart from each other, having both indefinite shape and indefinite volume

Explanation:

There are 4 states of matter:

Solid state: In this state of matter, the particles are closely packed and they do not have any space between them. Thus, this state of matter has the highest intermolecular forces of attraction between them.  

This state have a definite shape and volume.

Liquid state: In this state of matter, the particles are present in random and irregular pattern. The particles are closely arranged but they can move from one place to another. The intermolecular forces between the particles are less as compared to the solid state.

This state have a definite volume but does not have a fixed shape and they can take up the shape of container in which they are kept.

Gaseous state: In this state, the particles are loosely arranged and have a lot of space between them. Thus, this state of matter has the lowest intermolecular forces of attraction between them.

This state have indefinite volume as well as shape. It can take up the volume and shape of the container in which they are kept.

Plasma state: In this state of matter, a hot ionized gas consisting of equal number of positively charged ions and negatively charged electrons are present.

This state have indefinite volume as well as shape.

Hence, the correct statement is made up of particles that are far apart from each other, having both indefinite shape and indefinite volume

Mgo2 is the oxidation state of manganese oxide