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Wired Article: Development of the Atomic Model

Authored by Marcos Cabrera

Chemistry

9th - 12th Grade

Used 37+ times

Wired Article: Development of the Atomic Model
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Democritus came to his idea of atoms because...

Researchers in Sparta gave him data to work with.

He reasoned that if there are four elements, there must be atoms.

He reasoned that if he broke something in half enough times than he must eventually arrive at the smallest thing.

He really just wanted to make Aristotle angry.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dalton's theory is known as the first scientific atomic model. What made the model scientific?

Dalton published the model in 1808 in an important scientific journal.

Dalton had worked to gather a great deal of experimental evidence.

Dalton was supported by the work of the Greek philosopher Democritus.

Dalton won a competition with a rival in the courtyard of the Tower of London

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Select all of the true statements about the work of J.J. Thomson.

Thomson worked with beams of electrons.

Thomson found the masses of the proton and neutron..

Thomson calculated the relation between the mass and charge of an electron.

Thomson's model had electron "raisins" embedded in a positive (plum) pudding.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is true about Rutherford's career?

Rutherford was a pioneering chemist.

Rutherford was a biologist.

Rutherford was a pioneering geneticist.

Rutherford was a well known physicist.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the primary finding of Rutherford's experiment?

atoms with a very small, incredibly dense nucleus

the interaction and interchange between protons and neutrons

he just didn't have a taste for plum pudding

the detailed structure of alpha particles

alpha particles are equivalent to helium nuclei

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happened to Rutherford's alpha particles.

They all passed right through the foil.

The particles began bouncing off the foil in random directions.

Most of them passed through the foil, but some bounced off.

All of the particles deflected at extreme angles, toward the scientist.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Niels Bohr (the great Dane) tried to relate atoms and _____________.

sound

light

philosophy

plum pudding

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