Periodic Table

Front

Who created the periodic table?

Back

Dmitri Mendeleev

Front

The atomic number tells you the number of ___ in the nucleus?

Back

Protons

Front

At room temperature, most elements are classified as...

Back

metal

Front

Which of the following are located along a dividing line that looks like a staircase?

Back

metalloids

Front

Periods on the periodic table are arranged...

Back

horizontally

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements organized by atomic number, electron configuration, and recurring chemical properties.

Front

What are groups in the periodic table?

Back

Vertical columns that group elements with similar chemical properties.

Front

What are periods in the periodic table?

Back

Horizontal rows that indicate the number of electron shells in the elements.

Front

What are alkali metals?

Back

Group 1 elements that are highly reactive and have one electron in their outer shell.

Front

What are noble gases?

Back

Group 18 elements that are inert and have a full outer electron shell.