This is two or more elements chemically combined in a fixed ratio.

Is perfume evaporating on your skin a physical or chemical change?

Description of golgi bodies

Identify the primary solute - solvent attractions when i) cacl2 and ii) ethanol, ch3ch2oh each dissolve in water.

The bonding of two atoms will most likely occur if: a more stable state can result from the union the outer shell can be completely filled all the valance electrons are removed the electronegativity of both atoms are similar

Water is classified as an inorganic compound because it

Materials with small, connected pores are a. impermeable c. unsaturated b. permeable d. saturated

Which of the following work by Robert Hooke most likely impacted later scientists who developed the theory that all organisms are made of cells? a.

Who first established the heliocentric view

If measurements of a gas are 75l and 300 kilopascals and then the gas is measured a second Time and found to be 50L describe what had to happen to the pressure

The neritic zone is also called the: a. Intertidal zone c. Eutrophic zone b. Bathyal zone d. Subtidal zone