The quantity of matter in a body is a body is known as the mass

Gravitational force with which the Earth attracts objects towards its Centre

Matter can be classified as having ___ or ___ quality depending on how useful it is to us as a resource

  It involves the transfer of electrons from one atom to another

The partially positive of one end of the water molecule is attracted to negative end of another water molecule

Formed when 2 or more atoms share electrons to form a molecule

What molecules have both hydrophilic and hydrophilic properties?

What properties of water has required to have energy to break it hydrogen bonds to changes its state from liquid vapor ?

It has an amount of heat that must be absorbed or lost for one gram of a substance to change its temperature by 1C.

It use to measures the degree of acidity.

It means water fearing and insoluble in water.

When a physical or chemical change occurs, no atoms are created or destroyed.

Half-life is the time it takes for one hour of an original radioactive parent atom to decay.

An atom that has lost electrons are NEGATIVELY CHARGED

and an atom that has gain electrons are POSITIVELY CHARGED

Hydrophilic means water loving while hdrophobic means water fearing.

Adhesion causes the formation of water drops when it rains while  Cohesion causes the drops to cling to other surfaces.