The formulas and names of the oxides of the second-period elements ( Li to N ) have to be given. The oxides are whether acidic, basic, or amphoteric has to be identified Concept Introduction: According to physical and chemical properties, the elements can be further divided into metals, non-metals and metalloids. In a group, the metallic character of an element increases from top to bottom whereas in a period, it decreases from left to right. The classification elements in the periodic table as metals, nonmetals, or metalloids can be given as Diagonal relationship is the trend observed in the chemical behavior of a certain pairs of elements that are diagonally adjacent in different periods and groups in the periodic table. Oxide is the compound formed when oxygen reacts with another element. Oxides formed with metals are basic Oxides formed with metals are most probably basic. Most of oxides formed with nonmetals are acidic. Amphoteric oxides have the properties of bases and acid. Elements that are in the intermediate position of periodic table form amphoteric oxide.

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Chapter 8, Problem 8.94QP

Interpretation Introduction

Interpretation:

The formulas and names of the oxides of the second-period elements (Li to N) have to be given. The oxides are whether acidic, basic, or amphoteric has to be identified

Concept Introduction:

According to physical and chemical properties, the elements can be further divided into metals, non-metals and metalloids.

In a group, the metallic character of an element increases from top to bottom whereas in a period, it decreases from left to right.

The classification elements in the periodic table as metals, nonmetals, or metalloids can be given as

Diagonal relationship is the trend observed in the chemical behavior of a certain pairs of elements that are diagonally adjacent in different periods and groups in the periodic table.

Oxide is the compound formed when oxygen reacts with another element. Oxides formed with metals are basic

Oxides formed with metals are most probably basic. Most of oxides formed with nonmetals are acidic.

Amphoteric oxides have the properties of bases and acid. Elements that are in the intermediate position of periodic table form amphoteric oxide.

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