Classification of Elements Quiz
Interactive Video
•
Chemistry, Science
•
8th - 12th Grade
•
Practice Problem
•
Hard
Sophia Harris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who was the chemist responsible for the classification of elements into triads?
Johann Wolfgang Dobriner
Dmitri Mendeleev
Henry Moseley
John Newland
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the unique feature of Dobriner's triads?
The atomic number of the second element was the sum of the first and third
Elements were grouped by their state of matter
The atomic mass of the second element was the average of the first and third
Elements were grouped by color
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why did Dobriner's triads become less effective over time?
The atomic masses of elements changed
The triads were based on incorrect data
Elements were found to have more than three states
New elements were discovered that did not fit the triad pattern
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What analogy did John Newland use for his classification system?
The periodic table
The alphabet
Musical octaves
The solar system
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did Newland arrange the elements in his system?
By increasing atomic number
By alphabetical order
By increasing atomic mass
By decreasing atomic mass
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was a major limitation of Newland's Law of Octaves?
It grouped elements by color
It only applied to gases
It only worked for elements up to calcium
It was based on incorrect atomic numbers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elements were incorrectly placed in the same position in Newland's system?
Carbon and Silicon
Hydrogen and Helium
Lithium and Sodium
Cobalt and Nickel
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