Atomic Scientists

Atomic Scientists

Assessment

Flashcard

Chemistry, Science

6th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What did Rutherford's gold-foil experiment conclude about the atom?

Back

Most of the atom is empty.

2.

FLASHCARD QUESTION

Front

Who proposed that elements are made of tiny solid particles?

Back

Democritus.

3.

FLASHCARD QUESTION

Front

Where is most of the mass in an atom located?

Back

In the nucleus.

4.

FLASHCARD QUESTION

Front

Who conducted the gold foil experiment?

Back

Ernest Rutherford.

5.

FLASHCARD QUESTION

Front

Which scientists are known for founding the electron cloud model?

Back

Schrodinger and Heisenberg.

6.

FLASHCARD QUESTION

Front

What is the nucleus of an atom?

Back

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

7.

FLASHCARD QUESTION

Front

What did J.J. Thomson discover?

Back

The electron.

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