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Electromagnetic Spectrum

Authored by Tyler Gillespie

Chemistry

10th Grade

Used 2+ times

Electromagnetic Spectrum
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did Dalton propose about atoms?

Atoms are indivisible and indestructible.

Atoms can be created and destroyed.

Atoms are made up of smaller particles.

Atoms have a variable mass.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What discovery modified Dalton’s theory that all atoms of a given element are identical?

Discovery of isotopes

Discovery of Hydrogen

Discovery of America

Discovery of electromagnetism

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

J.J. Thomson discovered the electron and proposed which model?

Plum pudding model

Bohr model

Rutherford model

Quantum mechanical model

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rutherford’s key finding from his gold foil experiment was:

Atoms are mostly empty space with a small, dense nucleus.

Electrons orbit the nucleus in fixed paths.

Atoms are indivisible and indestructible.

The nucleus contains protons and neutrons.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bohr’s model explains that electrons:

Move in fixed orbits around the nucleus

Are scattered randomly around the nucleus

Do not exist in specific energy levels

Are stationary within the atom

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Protons are found in the nucleus of an atom and have what charge?

Positive charge

Negative charge

Neutral charge

No charge

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the charge of neutrons, and where are they located?

Neutrons have a positive charge and are located in the electron cloud.

Neutrons have no charge and are located in the nucleus.

Neutrons have a negative charge and are located in the nucleus.

Neutrons have no charge and are located in the electron cloud.

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