1) Thomson model of atom is like a ? a) negative sphere b) positive sphere c) neutral sphere 2) In Rutherford's Model which material foil is used? a) Copper b) Gold c) Zinc 3) The formula for maximum number of electron present in a shell a) 2n square b) 3n square c) 4nsquare

Ranking

Estilo visual

Opções

Alterar modelo

Restaurar arquivo salvo automaticamente: ?