Chemistry: Molecular Approach (4th Edition)

Published by Pearson
ISBN 10: 0134112830
ISBN 13: 978-0-13411-283-1

Chapter 1 - Exercises: 34

Answer

a.observation; b.law; c.observation; d.theory

Work Step by Step

There's no law for this reactivity of chlorine gas; therefore, it's an observation. The law states that all chemical elements reactivity depends on their atomic masses in a particular manner of arrangement of elements. This statement is observed. There's no theory or law behind this. This is an experimental theory.
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