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Food Chemistry Exam1

Atoms,Molecules,&Energy: Theorist

Which theorist: *Universe was made of empty space and tiny bits of stuff, *Called the tiny bits atomos,*Atoms could not be divided Democritus
Which theorist:*Demonstrated that burning wood caused no change in mass,*Law of Conservation of Matter Lavoisier
Which theorist: *All elements are composed of indivisible particles, *Atoms of the same element are the same,* Atoms of different elements are different,*Compounds consisted of atoms of different elements combined together. Dalton
Which theorist: *Plum pudding model, *Atom made of a positively charged material with the negatively charged electrons scattered through it. Thomson
Which theorist:*Mostly empty space, *Small,positive nucleus, *Contained protons, *negative electrons scattered around the outside Rutherford
Which theorist: Electrons move in definite orbits around the nucleus. Bohr
Which theorist: Discovered the neutron Chadwick
This modern model is sometimes called the wave model, and is spherical cloud of varying density The electron cloud
Created by: jazzyg


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