NH3 is an example of

O A.

a compound.

B.

an element.

C. an atom.

a mixture.

A decrease in entropy is associated with which type of reaction

The nuclear product of radioactive decay is called the_ o parent nuclide o mass defect o half life daughter

The carbon cycle has several sources including all of the following except: Nitrogen Animals Sediment Plants

What is one difference between a mixture and a compound? a. a mixture can only be separated into its components by chemical means. b. a compound consists of more than one phase. c. a mixture must be uniform in composition. d.

Difference between nitrogen fixatio and dentrification

What happens when light from the sun passes through any type of matter? the light slows down. the light speeds up. most of the light is absorbed. most of the light is reflected.

What is the chemical name for Fe (HCO3) 2

How are protons, electrons, and neutrons correctly compared

You compare two layers to a because the crust and upper mantle are solid

A substance that speeds up the rate of a chemical reaction is called a. a catalyst. b. a lipid. c. a molecule. d. an element.