History of the Periodic Table

Front

What is the symbol for Tin, which is used to coat food cans?

Back

Sn

Front

What error did Mendeleev's periodic table have?

Back

Some elements out of order.

Front

What are elements that have properties of both metals and nonmetals called?

Back

Metalloids

Front

Why is Mendeleev credited with the periodic table instead of Meyer?

Back

He published first.

Front

What does the dark line between La & Hf and Ac & Rf indicate?

Back

Indicates the series of elements would be at that location if there were enough room.

Front

What is the main purpose of the periodic table?

Back

To organize elements based on their properties and atomic structure.

Front

Who is known as the father of the periodic table?

Back

Dmitri Mendeleev

Front

What are the vertical columns in the periodic table called?

Back

Groups or families.

Front

What are the horizontal rows in the periodic table called?

Back

Periods.

Front

What is the significance of atomic number in the periodic table?

Back

It determines the identity of an element and its position in the table.