Understanding the Periodic Table: Historical Developments

Understanding the Periodic Table: Historical Developments

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main idea behind Dobereiner's Law of Triads?

Elements are grouped in pairs with similar properties.

Elements are grouped in threes where the middle element's properties are an average of the other two.

Elements are grouped in fours with identical properties.

Elements are grouped based on their color.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the middle element in Dobereiner's triads?

It is not related to the other two elements.

It has the highest atomic weight.

It has properties that are an average of the other two elements.

It has the lowest atomic weight.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of a triad according to Dobereiner's Law?

Hydrogen, Helium, Lithium

Iron, Cobalt, Nickel

Carbon, Nitrogen, Oxygen

Lithium, Sodium, Potassium

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does Newlands' Law of Octaves suggest about elements?

Elements show similar properties to the fourth element following them.

Elements show similar properties to the tenth element following them.

Elements show similar properties to the eighth element following them.

Elements show similar properties to the second element following them.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did Newlands relate elements to musical notes?

By comparing them to rhythms

By comparing them to chords

By comparing them to scales

By comparing them to octaves

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why were noble gases not included in Newlands' Law of Octaves?

They have the same properties as metals.

They were not discovered at the time.

They do not have any chemical properties.

They are not part of the periodic table.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following elements was not part of Newlands' original octave due to its late discovery?

Neon

Krypton

Helium

Argon

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