Periodic table model

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OBJECT TYPE
3-D
DATE
1940–1949
ARTIFACT NUMBER
1995.0335.001
MANUFACTURER
National Research Council Canada
MODEL
Unknown
LOCATION
Ottawa, Ontario, Canada

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOOD/ METAL HARDWARE/ FELT LINING UNDER BASE

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
N/A
Width
38.0 cm
Height
78.5 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Chemistry
Category
Demonstration & teaching equipment
Sub-Category
N/A

Manufacturer

AKA
NRC
Country
Canada
State/Province
Ontario
City
Ottawa

Context

Country
Canada
State/Province
Ontario
Period
1940S +
Canada
FROM LABORATORY OF NATIONAL RESEARCH COUNCIL OF CANADA, ONE OF CANADA'S FOREMOST RESEARCH ESTABLISHMENTS IN NUMBER OF SCIENTIFIC & TECHNOLOGICAL AREAS. MODEL WAS DEVELOPED BY NRC SCIENTIST DR. DON STEDMAN. IN 193OS HE EXPRESSED BELIEF THAT THERE WERE MORE THAN 92 ELEMENTS, AN IDEA SUBSEQUENTLY FOUND TO BE CORRECT.
Function
THREE DIMENSIONAL REPRESENTATION OF PERIODIC TABLE OF ELEMENTS, CONSISTING OF CYCLIC SPIRAL ARRANGEMENT OF ELEMENTS. HYDROGEN IS AT APEX & SERIES OF ELEMENTS IS ARRANGED IN SPIRAL, INCLUDING AS YET UNDISCOVERED HEAVY ELEMENTS.
Technical
ACCORDING TO DR. STEDMAN (REF. 1), THIS ARRANGEMENT HAS ADVANTAGE OF SEPARATING EACH TYPE OF ELEMENT WITHOUT AMBIGUITY. IT ACCOMMODATES RARE EARTH & VIII GROUPS AS INTEGRAL & SIGNIFICANT PART OF ORDERLY DEVELOPMENT OF TABLE. OPPOSING NATURE OF ELECTROPOSTIVE & ELECTRO- NEGATIVE ELEMENTS IS CLEARLY SHOWN. VARIOUS BROAD CLASSES OF ELEMENTS ARE CLOSELY GROUPED. DR. STEDMAN POSTULATED THAT THERE WERE MORE THAN 92 ELEMENTS AND HIS MODEL INCLUDES SUPER HEAVY ATOMS.
Area Notes
Unknown

Details

Markings
NONE
Missing
UNKNOWN
Finish
PAINTED WHITE/ GREEN FABRIC
Decoration
NONE

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

National Research Council Canada, Periodic table model, between 1940–1949, Artifact no. 1995.0335, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.0335.001/

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