Constants

What is the electronic configuration for beryllium

Electronic configuration for beryllium is [He] 2s²

What is the electronic configuration for lithium

Electronic configuration for lithium is [He] 2s¹

What is the electronic configuration for helium

Electronic configuration for helium is 1s²

What is the electronic configuration for hydrogen

Electronic configuration for hydrogen is 1s¹

How many particles one mole contains

1 mole = 6.022 x 10²³ particles

Who gave Law of Reciprocal Proportions

Law of Reciprocal Proportions was given by Richter

Who gave Law of Multiple Proportions

Law of Multiple Proportions was given by John Dalton

Who gave Law of Definite Proportions

Law of Definite Proportions was given by Proust

Who gave Law of Conservation of Mass

Law of conservation of mass was given by Lavoisier

Who verified dual nature of electrons

Dual nature of electrons was verified by Davission, Germer and Thomson