Question

what are the advantages of classification?​

Answer 1

Answer:

It enables chemists to analyse and understand the properties of the elements and their compounds more systematically and orderly. It enables chemists to predict the properties of the elements and their compounds based on their positions in the Periodic Table, and vice versa.

Explanation:

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Answer 2

Answer:

The symbol for a battery is made by joining two more symbols for a cell together. Think of what we usually call a single battery, like the type you put in a torch. In physics, each of these is actually called a cell .