1. Elements 2. Elements▫ An element is a pure substance that cannot be separated into simpler substances by physical or chemical means 3. ▫ A pure substance is a substance…
1. Periodic TableObjectives 5.4 Locate metals, nonmetals and metalloids in theperiodic table. 5.5 Locate the family of alkali metals, alkaline earthmetals, halogens…
Elements, Compounds, and Mixtures Elements Elements An element is a pure substance that cannot be separated into simpler substances by physical or chemical means A pure substance…
1. PERIODIC CLASSIFICATION OFELEMENTS1) Classification of elements :- The arranging of elements into different groups on thebasis of the similarities in their properties…