Fundamentals of Chemistry
Qno.What is Chemistry?
Ans. Chemistry is the branch Of science which deals with the Composition properties and structure of matter . And Changes occurs In Mater
Qno.Branches of Chemistry?
Ans. Chemistry is divided into following main branches
1.Physical Chemistry
Physical chemistry is the branch of chemistry which deals with the relationship between composition and physical properties of Matter and Changes in them
2. Organic Chemistry
Organic Chemistry is the branch of chemistry which deals With the study Hydrogen And Carbon And their derivatives
3. Inorganic Chemistry
Inorganic chemistry is the branch of chemistry which deals with study of all elements and their Compound Without Hydrocarbons
4. Bio Chemistry
Bio chemistry is the branch of chemistry which deals with the Compounds of living organisms
5.Nuclear Chemistry
Nuclear Chemistry is the branch of chemistry which deals with the radioactivity, Nuclear process and properties
6. Medical Chemistry
The branch of chemistry which deals with the synthetic organic chemistry pharmacology and various biological specialties
7. Environmental Chemistry
It is the branch of chemistry which deals with the study of the interaction of chemical materials and their effect on the environment of animals and Plants
Qno.Basic Deffination?
Matter:Any thing which has Occupies Space and volume is called matter
It is found in three common states
Solid Liquid Gas
The plasma is also considered as fourth states of matter
The different states of matter are due to difference of energy in increasing order
Atom: Matter is the made up of Smallest particles which are known as atom.
Atoms are the basic unit of Matter and define Structure of elements
Properties Atom are made up of three particels Proton Neutrons and Electrons
Which are composed of even smaller particles
Molecules: Molecules are made up of atoms that are held together by chemical bonds molecule is the smallest particle in a chemical element or compound that has the chemical properties of that element or compund
Substance:A piece of matter in pure form is termed as a substance. Every substance has a fixed composition and specific properties.
Every substance has physical and chemical Properties
Element:An element is a substance made up of same type of atoms Having same atomic Number and cannot be decomposed into substance by ordinary chemical reaction
Element occur in nature in Solid form
Now 118 elements has been discovered
Majority of Elements are as solid god zinc etc.
Few elements are gases as hydrogen Oxygen and nitrogen
Elements are divided into metals nonmetals and metalloids on the basis of their Properties
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