Answer to Question #289013 in General Chemistry for Isaac

Question

what are properties of elements compounds and mixtures used for

Answer 1

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• CBSE
• Chemistry
• Grade 11
• Mixtures

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What are the elements, compound, and mixture?

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Hint :Elements, compounds, and mixtures are basic concepts of general chemistry. They all consist of atoms arranged in different forms. They play an important role in the chemical processes that support living things, and also to those that occur every day in non living objects. The things that we use in our everyday life are composed of these only.

Complete Step By Step Answer:

Elements:

Elements are the fundamentals of all the matter present around us.

They are made up of only one type of atom and cannot be separated into simpler substances by physical or chemical means.

There are a total of 118

118 elements in chemistry.

Every element has its unique symbol.

They all differ from each other in weight, size, and chemical properties.

 Elements are divided into three categories: metals, non-metals, and metalloids.

Example- H, C, N, O, Mg, Hg

H, C, N, O, Mg, Hg etc.

Compounds:

Compounds are chemical substances that consist of two or more elements chemically bonded together in a fixed ratio.

When they combine, some property of the individual element is lost and the compound formed has new properties.

Every compound is represented by some formula which is a symbolic representation of their proportions of atoms present in a compound.

There are many different types of compounds grouped into organic and inorganic.

Example- H

2

O (water), NaCl (salt),

 NaHCO

3

(baking soda)

H2O (water), NaCl (salt), NaHCO3(baking soda) etc.

Mixtures:

Mixtures are substances where two or more substances mix without bringing any chemical change and resulting in a substance.

Each component of the mixture has its original properties.

These components can be easily separated from the mixture and the proportions of the components are variable.

Example- Air, ink, seawater, etc.

Note :

Elements compounds and mixtures all play important roles in our day-to-day life. Every matter around us consists of elements. In our everyday life compounds have been employed for several useful purposes. And we encounter mixtures everywhere in our lives. They influence the existence of human beings and the habitat.