Fundamental Laws of Yawa

Question 1

Skeptical Chymist in 1661

Answer 1

Robert Boyle

Question 2

He discovered oxygen gas named “dephlogisticated air”

Answer 2

Joseph priestley

Question 3

Renamed the gas “oxygen”

Answer 3

Antoine-Laurent Lavoisier

Question 4

Discovered the law of conservation

Answer 4

Antoine

Question 5

Measured that amount of substances before and after a chemical reaction in a closed vessel.

Answer 5

Antoine

Question 6

Undergo changes during chemical reaction but the total mass of the substances involved in the reaction is constant

Answer 6

Antoine

Question 7

Stroichiometric calculations

Answer 7

Law of conservation

Question 8

The composition of the chemical compounds

Answer 8

Joseph louis proust

Question 9

Ratio

Answer 9

Law of definite proportions

Question 10

Developing the atomic theory

Answer 10

John Dalton

Question 11

Plum pudding model of the atom

Answer 11

JJ thomson

Question 12

Oil drop experiment

Answer 12

Robert millikan

Question 13

Alpha and beta rays

Answer 13

Ernest rutherford

Question 14

Gold foil experiment

Answer 14

Ernest

Question 15

Discovered the protons

Answer 15

Ernest

Question 16

Discovered the neutrons

Answer 16

James chadwick

Question 17

Atoms which follow the same configuration for elements

Answer 17

Isotopes

Question 18

Contains the symbol and the corresponding number of atoms of all elements in a compounds

Answer 18

Molecular formula

Question 19

Shows only the reduced form of molecular formula

Answer 19

Empirical

Question 20

Shows the bond pattern and connectivity of atoms in compounds

Answer 20

Structural

Question 21

Bonding patterns and connectivity are less obvious but are still apparent

Answer 21

Structural condensed