Atomic Theory and Structure

Where are subatomic particles located?

• protons and neutrons are found in the electron cloud and the electrons are found in the nucleus

• electrons and neutrons are found in the nucleus and protons are found in the electron cloud

• subatomic particles are not found in atoms at all

• protons and neutrons are found in the nucleus and electrons are found in the electron cloud

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Where is the atomic number?

• Above the atomic symbol

• Below the atomic symbol

• Not on the card at all

• To the right side of the atomic symbol

Where are neutrons located?

• the nucleus

• electron cloud

• around the nucleus

• not anywhere

Which scientist was known for creating the "plum pudding model"?

• Dalton

• Thompson

• Bohr

• Rutherford

How many protons, neutrons, and electrons does sulfur have? It's atomic number is 16 and it's atomic mass is 32.

• 16 protons, 16 neutrons, and 16 electrons

• 16 protons, 32 neutrons, and 16 electrons

• 16 protons, 16 neutrons, and 32 electrons

• 32 protons, 16 neutrons, and 16 electrons.

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Silicon has a mass number of 28 and an atomic number of 14. How many protons does it have?

• 28

• 14

• 42

• 7

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Who discovered that atoms have a nucleus?

• Bohr

• Rutherford

• Thompson

• Dalton

What is the difference between isotopes and ions?

• isotopes affect protons and ions affect neutrons

• isotopes affect electrons and ions affect neutrons

• isotopes affect neutrons and ions affect electrons

• isotopes affect neutrons and ions affect protons

What experiment did Rutherford perform

• gold foil experiment

• plum pudding experiment

• Bohr model

• Quantum Mechanical model

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what is a Cation

• positive ion

• negative ion

• neutral atom

• positive atom