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Development of the Atom

Authored by Eirian Wynne Meredith

Chemistry

9th - 10th Grade

Used 10+ times

Development of the Atom
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Greeks thought matter was made up of sphere called atoms that could not be split into anything smaller

True

False

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Tick all the correct answers: John Dalton thought that atoms

have different masses

could not be split into anything smaller

could be split into anything smaller

all have the same mass

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which Scientist discovered the existence of electrons?

Chadwick

John Dalton

JJ Thomson

Rutherford

Borh

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electrons have a ___________ charge

positive

negative

no

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An electron will be _________________ to a positively charged plate and would move ______________ it.

attracted & towards

repelled & away from

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the 'plum-pudding' model the electrons and found

at the bottom of the ball of positive charge

spread out through out the ball of negative charge

spread out through out the ball of positive charge

all together in the middle

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which scientist discovered the atom has a small central positive nucleus with negative electrons orbiting it?

Bohr

Chadwick

Dalton

JJ Thomson

Rutherford

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