Atom Review Quiz

Discovered the Atomic Theory-

1. Matter has atoms

2. Matter can't be created/destroyed

3. Atoms in element are the same

4. Chemical reactions happen by combining or rearranging.

• Dalton

• Thomson

• Bohr

• Chadwick

Proposed that electrons move around the nucleus in a specific path or shells (like planets)

• Democritus

• Dalton

• Thomson

• Bohr

He discovered electrons using cathode rays. A "Plum-Pudding" model.

• Dalton

• Thomson

• Rutherford

• Bohr

Equal to the protons in an element.

• atomic number

• neutrons

• mass number

• atomic mass

Atoms of an element with the SAME number of PROTONS, but a DIFFERENT number of NEUTRONS

• Atom

• Isotope

• Electron cloud

• Nucleus

In a stable atom, the electrons are equal to the ______. e-=___

• a.n. atomic number

• m.n. mass number

• n, neutrons

• p+ protons

What is the location of a proton?

• in the nucleus

• out of the nucleus

• electron cloud

• on rings

What atom part has a negative, -, charge?

• Proton

• Neutron

• Electron

• Nucleus

What atom part is the smallest in size and in mass?

• Proton

• Neutron

• Electron

• Nucleus

What is the Bohr Model for Carbon, C?

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