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Atomic theory and Bohr models

Authored by Lauren Morriss

Chemistry

9th Grade

Used 1+ times

Atomic theory and Bohr models
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39 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which of these had scientific evidence to back their models of the atom?

Democritus

John Dalton

J.J. Thomson

Ernest Rutherford

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How did Rutherford describe the nucleus?

Tiny
Dense
Positively Charged
all of the above

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Who came up with the model of an atom pictured?

J.J. Thompson
Ernest Rutherford
Neils Bohr
James Chadwick

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many valence electrons does carbon have?

4

5

6

7

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the mass number of this atom?

1
3
4
7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the atomic number of this element?

17

18

35

35.453

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What two particles are part of the nucleus of an atom?

Protons and Electrons
Electrons and Neutrons
Protons and Neutrons
Alpha and Beta

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