How Elements are Grouped SC.8.P.8.6

Front

What is each column in the periodic table called?

Back

Group

Front

How did Mendeleev arrange the elements in the periodic table?

Back

By increasing atomic mass.

Front

What is a horizontal row of elements in the periodic table called?

Back

Period

Front

What percentage of the elements in the periodic table are metals?

Back

85%.

Front

What are the atoms along the staircase in the periodic table called?

Back

Metalloids.

Front

What are the three main categories of elements in the periodic table?

Back

Metals, Nonmetals, and Metalloids.

Front

What is the significance of the periodic law?

Back

It states that the properties of elements are a periodic function of their atomic numbers.

Front

What are transition metals?

Back

Elements found in groups 3-12 of the periodic table, known for their ability to form variable oxidation states.

Front

What is the difference between a group and a period in the periodic table?

Back

A group is a vertical column, while a period is a horizontal row.

Front

What are alkali metals?

Back

The elements in group 1 of the periodic table, known for being highly reactive.