Atomic Theory

Atomic Theory

Assessment

Flashcard

Chemistry

10th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the basic unit of matter?

Back

Atom

2.

FLASHCARD QUESTION

Front

Who proposed the 'plum pudding' model of the atom?

Back

J.J. Thomson

3.

FLASHCARD QUESTION

Front

What subatomic particle has a negative charge?

Back

Electron

4.

FLASHCARD QUESTION

Front

What is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.

5.

FLASHCARD QUESTION

Front

Who is known for the planetary model of the atom?

Back

Niels Bohr

6.

FLASHCARD QUESTION

Front

What experiment did Ernest Rutherford conduct to study the structure of the atom?

Back

Gold foil experiment.

7.

FLASHCARD QUESTION

Front

What conclusion did Rutherford draw from his gold foil experiment?

Back

The nucleus is very small and the atom is mostly empty space.

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