To determine whether P 4 , O 2 and P 2 O 5 are compound or not. Concept Introduction: An element is a simplest type of a pure substance which is composed of only one type of matter. For examples: silver, gold, platinum etc. Pure substance which is made up of two or more same type of matter combined in a definite proportion. For example: Oxygen molecule containing two atoms of oxygen. A pure substance or compound is composed of two or more type of matter in definite proportion. For examples: ammonia which is composed by Hydrogen and nitrogen in definite proportion etc.

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Chapter 3, Problem 56AP

Interpretation Introduction

Interpretation:

To determine whetherP4, O2 andP2O5 are compound or not.

Concept Introduction:

An element is a simplest type of a pure substance which is composed of only one type of matter. For examples: silver, gold, platinum etc.

Pure substance which is made up of two or more same type of matter combined in a definite proportion. For example: Oxygen molecule containing two atoms of oxygen.

A pure substance or compound is composed of two or more type of matter in definite proportion. For examples: ammonia which is composed by Hydrogen and nitrogen in definite proportion etc.

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