Atomic Theory Flashcard

Atomic Theory Flashcard

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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10 questions

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1.

FLASHCARD QUESTION

Front

Who suggested the first atomic theory around 400 BC?

Back

Democritus

2.

FLASHCARD QUESTION

Front

What did Democritus believe all things were composed of?

Back

Minute, invisible, indestructible particles of pure matter

3.

FLASHCARD QUESTION

Front

What model did J.J. Thompson create to describe the atom?

Back

Plum Pudding Model

4.

FLASHCARD QUESTION

Front

Who proposed the revolutionary view of the atom in 1911?

Back

Ernest Rutherford

5.

FLASHCARD QUESTION

Front

What did Rutherford's experiment with alpha particles and gold foil demonstrate?

Back

Atoms are mostly empty space with a small, dense nucleus

6.

FLASHCARD QUESTION

Front

What did Niels Bohr suggest about the electrons in an atom?

Back

Electrons orbit the nucleus in fixed paths or shells

7.

FLASHCARD QUESTION

Front

What did Erwin Schrödinger introduce in his model of the atom?

Back

Wave mechanics

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