Who developed the idea of "triads" of elements with similar properties

The Periodic Table

Quiz
•
Science, Chemistry
•
KG - 12th Grade
•
Hard
Emma Gordon
Used 2+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
John Newlands
Johann Dobereiner
Dmitri Mendeleev
Henry Moseley
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
In a chemical "triad", the masses of the three elements were related by the fact that...
the masses of the three were the same
their masses added up to 100%
the average of the masses of the outer two equaled the middle one
their masses were all unknown
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of the following groups of elements could NOT be triad?
Cl, Br, I
C, N, O,
Li, Na, K
Ca, Ba, Sr
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Who came up with the "Law of Octaves"
Humphry Davy
Robert Boyle
Johann Dobereiner
John Newlands
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The "Law of Octaves" stated that..
The properties of the elements repeated every eight when arranged by their atomic mass
Elements could be classified in groups of three based on their mass and properties
The properties of the elements repeated of a regular basis when arranged by their atomic number
doubling the frequency of a tone raises its pitch by an octave
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Which of these is NOT a reason that the law of octaves failed
It didn't work for elements past calcium
There were no allowances for undiscovered elements
It didn't explain similar properties of any elements
Elements with very dissimilar properties were put into the same column
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The first usable modern periodic table was developed by
Dimitri Mendeleev
Glenn Seaborg
John Newlands
John Dalton
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