Who discovered that element were ordered by the atomic number?
What is Henry Moseley?
100
It is said that any given element will exhibit analogous behavior to the eighth element following in the table.
What is the Law of Octaves?
100
Called the ______________ blocks.
What is s, p, d and f?
200
Who created the first periodic table?
What is Beguyer de Chancourtois?
200
It is said that the middle element has properties that are an average of the other two members when ordered by atomic weight.
What is the Law of Triads?
200
Two main categories in which the Periodic Table divides into.
What is Representative and Transition Elements?
300
Who proposed the Law of Triads?
What is Johann Dobereiner?
300
Moseley proposed that there is a periodic recurrence of chemical and physical properties of the elements when the elements are arranged in order of increasing atomic number.
What is the Modern Periodic Law?
300
Period are the _________, and families are the ______?
What is Rows and Columns? (Respectively)
400
Who published an abbreviated version of the periodic table used to classify elements?
What is Lothar Meyer?
400
Dmitri Mendeleev proposed that there is a periodic recurrence of a chemical and physical properties of the elements when the elements are arranged in order of increasing atomic weight.
What is the Periodic Law?
400
Three classification of the elements that are based on their characteristics.
What is Metals, Non-metals, and Metalloids?
500
Who was the one who had the first scientific founding of an element?
What is Henning Brand?
500
He published that the elements were listed in order of their atomic weight.
What is Lothar Meyer?
500
Number of Families that the Periodic Table is divided into.