Question

please give notes of class 11 of chemistry unit 1 <br />please don't spam with me please please please please please please please please please please please please <br />I will mark your answer brainliest​ ​

Answer 1

Answer:

unit 1 some basic concept of chemistry

Explanation:

it is the branch of sciencewhich deals with the composition of matter and its physical state chemical properties anything or occupy is space is called matter

importance of chemistry

1. solid:- it has it has definite shape and definite volume
2. liquid :- liquid have definite volume but not definite shape
3. gas :- they do not have either of Definite volume of definite shape

chemical chemical classification of matter:-

pure substance:- it is a single substance or matter which cannot be separated into other kind of matter by any physical processes.

pure substance has three type

1. elements
2. compound
3. mixtures

1. elements:- it it is the simplest form of a pure substance which cannot be broken into nervy build from simple substances

• metal
• non metal
• metals :- they are the ductile and malleable

Ductile :- they metals can be broken into wires

melleable:- the metal can be beaten into sheets

properties of metal:-

• they are good conductor of heat and electricity
• they are lustrous
• there's sonerous
• they they have high melting bility and boiling point

Non metal:- they have property to that the metal

metalloids:-