What is the most likely formula for a compound made from the combination of the elements calcium and chlorine?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space

Asolid that forms and separates from a liquid mixture is called