Which of the Following Statements About Mendeleev's Periodic Table Is

question 81

Multiple Choice

Which of the following statements about Mendeleev's periodic table is incorrect?

• A)Mendeleev arranged the known elements in order of increasing relative atomic mass.
• B)He grouped elements with similar properties into columns and rows so that their properties varied in a regular pattern.
• C)He arranged the elements so that they were in increasing atomic number order.
• D)He was able to predict the existence and properties of several elements that were unknown at the time.
• E)Mendeleev developed his table before the discovery of protons.

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Definitions:

Scale Values

Refers to methods or systems used to quantify and compare different levels of a particular variable or attribute.

Distribution Of Scores

A representation, often in graphical form, showing how frequently different scores appear in a set of data.

Arithmetic Average

The central value of a set of numbers, calculated by dividing the sum of all the numbers by the count of those numbers.

Arithmetic Average

The sum of a collection of numbers divided by the count of numbers in the collection, commonly known as the mean.