Atomic Theory and Periodic Table Quiz

Who Was the Greek Philosopher who coined the word atom from 'atomos,' which means indivisible?

• Rutherford

• Dalton

• Aristotle

• Democritus

Who was the scientist who stated that elements are composed of atoms, all atoms of the same element have the same mass, and compounds contain atoms of more than one element that are in a fixed proportion?

• Dalton

• Aristotle

• Democritus

• Rutherford

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Who found evidence that atoms contain negatively charged particles and came up with the 'Plum Pudding' model?

• Thomson

• Rutherford

• Dalton

• Bohr

Who did the 'Gold Foil' experiment and used it to discover that the positively charged particles in an atom are in a tightly condensed location in the center of the atom he called the nucleus?

• Dalton

• Thomson

• Rutherford

• Bohr

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Negatively charged subatomic particles are called what?

• electrons

• neutrons

• protons

• quarks

Which subatomic particle has virtually no mass and is found outside the nucleus?

• quarks

• protons

• electrons

• neutrons

Protons and Neutrons are

• smaller in mass than electrons

• both positively charged

• opposite in charge

• almost exactly equal in mass

The nucleus contains

• protons

• neutrons

• a positive charge

• all of the above

Protons and electrons are

• both found in the nucleus

• both found outside the nucleus

• equal but opposite in charge

• equal in mass

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Atoms of the same element that have a different mass are called what?

• isotopes

• ions

• atomic radii

• neutron bombs