The Atomic Theory

Question 1

Ancient concept

Answer 1

Democritus(470-380 BC)
Thales(640-540 BC)
Anaximenes(611-546 BC)
Heraclitus (540-475 BC )

Question 2

All matter consists of tiny particles that they could not be broken down into smaller pieces

Answer 2

Democritus (470-380 BC)

Question 3

tiny parts

Answer 3

Atomos

Question 4

Described an atom as both indivisible and indestructive particles

Answer 4

Atonomism

Question 5

Water

Answer 5

Thales(640-540BC)

Question 6

Air

Answer 6

Anaximenes (611-546 BC)

Question 7

Fire

Answer 7

Heraclitus (540-475 BC)

Question 8

Aristotle elements

Answer 8

Memorisa

Question 9

Developed the first atomic theory and introduced the used of symbols to represent the elements

Answer 9

john DALTON’S ELEMENTS

Question 10

John DALTON’S what year?

Answer 10

1803

Question 11

Billiard model of an atom

Answer 11

Dalton’s

Question 12

Two elements

Answer 12

Binary

Question 13

Three elements

Answer 13

Ternary

Question 14

4 elements

Answer 14

Quinquenary

Question 15

Sextenary and septenary

Answer 15

6 and 7

Question 16

Elements are composed of extremely small particles called atoms

Answer 16

Postulate 1

Question 17

All atoms of a given elements are identical,having the same size, mass and chemical properties. The atoms of the other elements are different

Answer 17

Postulate 2

Question 18

Compounds are composed of atoms of more than one element

Answer 18

Postulate 3

Question 19

What is used to represent the ratio of the numbers of atoms of any two of the elements

Answer 19

Integer or simple fraction

Question 20

A chemical reaction involves only separation, combination,or rearrangement of atoms it does not result in their creation or destruction

Answer 20

Postulate 4