Define the following terms with an example:
a) Element b) compound c) metal d) non-metal e) metalloid
samacheer 7th science
lesson:3 matter around us.
Answers
Answer:
An element is a substance that cannot be broken down into any other substance. There are about 100 elements.
b)Compound is a pure substance made up of two or more elements combined chemically in a definite ratio.
c)a solid material which is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity (e.g. iron, gold, silver, and aluminium, and alloys such as steel).
d)an element or substance that is not a metal.
e)an element (e.g. arsenic, antimony, or tin) whose properties are intermediate between those of metals and solid non-metals or semiconductors.
Explanation:
example for elements:copper ,silver ,gold , oxygen etc
example for compund: Carbondioxide,table salt,water
example for non metal: book , table , chair
remaining examples there in definition only
Define the following terms with an example:
I am from 8th