Question

Define elements .
Classify elements into 3 different categories and name them .

class 9th
Please answer it's urgent​

Answer 1

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Answer 2

Answer:

element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.

types of element :

1. metals (elements that are shiny, malleable, good conductors of heat and electricity—shaded yellow);

2. nonmetals (elements that appear dull, poor conductors of heat and electricity—shaded green);

3. metalloids (elements that conduct heat and electricity moderately well, and possess some properties of metals and some properties of nonmetals—shaded purple).