Quiz-Atomic Theory

Which model belongs to Rutherford?

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Which model belongs to Bohr?

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Protons are located where?

• neutron

• electron cloud

• nucleus

• outside

Lithium has 3 protons and a mass number of 8. How many neutrons does it have?

• 5

• 3

• 8

• 11

How do you calculate the mass number?

• number of protons + electrons

• number of protons + neutrons

• number of electrons + neutrons

• It's the decimal number from the periodic table.

"Everything is composed of atoms" was stated by:

• Democritis
• Dalton
• Moseley
• Einstein

John Dalton stated:

• elements are made of atoms
• atoms of a given element are identical
• atoms cannot be subdivided, created, nor destroyed
• all of the above

The scientist responsible for "discovering" the nucleus is:

• Bohr
• Rutherford
• Schroedinger
• Einstein

The nucleus of an atom can be described as:

• spacious and negatively charged
• dense and positively charged
• spacious and positively charged
• dense and negatively charged

How did Rutherford discover the proton and nucleus?

• Cathode tube ray experiment
• Gold Foil Experiment
• Planetary Model
• Plum Pudding Model