Atomic Theory

Atomic Theory

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the atomic theory?

Back

The atomic theory is a scientific theory that states that matter is composed of discrete units called atoms.

2.

FLASHCARD QUESTION

Front

Who proposed the first atomic model?

Back

John Dalton proposed the first atomic model, which described atoms as indivisible particles.

3.

FLASHCARD QUESTION

Front

What did J.J. Thomson discover?

Back

J.J. Thomson discovered the electron through his experiments with cathode rays.

4.

FLASHCARD QUESTION

Front

What is the significance of Rutherford's gold foil experiment?

Back

Rutherford's gold foil experiment demonstrated that atoms have a small, dense nucleus at their center, leading to the nuclear model of the atom.

5.

FLASHCARD QUESTION

Front

What is the Bohr model of the atom?

Back

The Bohr model describes electrons orbiting the nucleus in fixed paths or energy levels.

6.

FLASHCARD QUESTION

Front

What are subatomic particles?

Back

Subatomic particles are the particles that make up an atom, including protons, neutrons, and electrons.

7.

FLASHCARD QUESTION

Front

What charge do protons carry?

Back

Protons carry a positive charge.

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