A reaction showing heat as a product is an exothermic reaction.

TRUE

FALSE

Which phrase can accurately be placed in the middle, within both circles? a) has a ph of 7 b) dissolves metals eliminate c) ionizes in water d) turns red litmus paper blue?

What trend in metallic reactivity is found going left to right on periodic table of elements

Which term describes the degree to which an element attracts electrons? which term describes the degree to which an element attracts electrons? electronegativity. polarity. oxidation. reduction?

Two liquids are shaken together in a test tube to produce a mixture that quickly separates into two layers. Which of the following best describes the behavior of the above pair of substances? soluble insoluble miscible immiscible

The chemical formula of oxygen is o2 that means it is a single compound or molecule gas? It is pure substance or mixture?

What is the number of electrons in an atom of 23v that have an quantum number of 2?

Two basic properties of the solid phase are

Decomposition reaction of Ag3N

Name three types of particles found in an atom and explain how they differ

Which impurity can bioaccumulate in aquatic systems? A. Mercury B. Sulfur C. Carbon Dioxide D. Methane