Modern Atomic Theory

Modern Atomic Theory

9th - 12th Grade

10 Qs

quiz-placeholder

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Modern Atomic Theory

Modern Atomic Theory

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

112.35.c.6.A

Standards-aligned

Created by

Ivan Gamez

Used 47+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

The observations of who led us to the law of definite proportions?

Dalton

Thomson

Rutherford

Bohr

Tags

112.35.c.6.A

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Who discovered the electron in the cathode-ray tube experiment?

Dalton

Thomson

Rutherford

Bohr

Tags

112.35.c.6.A

3.

MATCH QUESTION

15 mins • 1 pt

Match the following atomic model to its scientist

Rutherford

Media Image

Dalton

Media Image

Thomson

Media Image

Bohr

Media Image

Tags

112.35.c.6.A

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Ernest Rutherford discovered that the atom has a small, dense, and positive center called the what?

electron

orbital

isotope

nucleus

Tags

112.35.c.6.A

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

What is the main difference between the Rutherford and Bohr atomic models?

There are no electrons in the Rutherford model

There is no nucleus in the Rutherford model

Electrons surround the nucleus in specific energy levels in the Bohr model

There are no electrons in the Bohr model

Tags

112.35.c.6.A

6.

REORDER QUESTION

15 mins • 1 pt

Media Image

Order the following atomic models from oldest to most current:

Dalton

Thomson

Rutherford

Bohr

Tags

112.35.c.6.A

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

J.J. Thomson discovered in his cathode-ray tube experiment that electrons have what kind of charge?

positive

negative

neutral

Answer explanation

Media Image

Because the ray was attracted towards the positively charged metal plate, J.J. Thomson discovered that electrons have a negative charge

Tags

112.35.c.6.A

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