Atomic Theory

Atomic Theory

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Plum Pudding Model?

Back

A model of the atom proposed by J.J. Thomson, suggesting that atoms are composed of electrons scattered within a 'soup' of positive charge.

2.

FLASHCARD QUESTION

Front

What did Rutherford's model of the atom reveal?

Back

The atom is mostly large empty space with a small, dense nucleus at the center.

3.

FLASHCARD QUESTION

Front

Who proposed the first model for the structure of the atom?

Back

J.J. Thomson.

4.

FLASHCARD QUESTION

Front

What is the significance of the nucleus in an atom?

Back

The nucleus contains protons and neutrons and is responsible for most of the atom's mass.

5.

FLASHCARD QUESTION

Front

What did Rutherford's gold foil experiment demonstrate?

Back

It demonstrated that atoms have a small, dense nucleus and that most of the atom is empty space.

6.

FLASHCARD QUESTION

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

7.

FLASHCARD QUESTION

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom, contributing to its mass.

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