Question

16 which scientist described an atom made of a solid positively charged substance with electrons dispersed throughout it?
a) rutherford
b) bohr
c) thomson
d) dalton

Explanation:

• Rutherford proposed the nuclear model with a dense nucleus.
• Bohr proposed the planetary model with electrons in orbits.
• Thomson proposed the "plum - pudding" model, where the atom is a solid positively charged substance with electrons dispersed throughout (like plums in a pudding).
• Dalton proposed the atomic theory with indivisible atoms.

Answer:

C. Thomson