Software used to represent day and night at a given time

__________is a software application that delineates the countries experiencing day or night at a given time on a world map using light and shade.

__________ is a periodic table viewer that provides detailed information on the chemical elements.

__________ is a 3D astronomy program 

_____ is an utility software used to design chemical reactions, molecaler structure etc.

______ is an application software to draw the geometrical shapes.

_________calculates elemental compositon and molecular weight of compounds from their chemical formula.

_________, a cool little game where kids build molecules out of atoms 

___ is an application software for the study of chemistry. That is different clements etc.