Ch 3 Review: periodic table

Front

What did J.W. Dobereiner do with elements that had similar properties?

Back

He grouped them into groups of 3 called triads.

Front

What did Dmitri Mendeleev publish?

Back

His version of the periodic table.

Front

How did Henry Mosley rearrange the elements on the periodic table?

Back

By increasing atomic number.

Front

What is a period on the periodic table?

Back

Row (left to right).

Front

Where are transition metals located on the periodic table?

Back

Group numbers 3-12.

Front

What is the pattern for the reactivity of alkali metals?

Back

Increases as you go down the column.

Front

Where are Alkaline Earth Metals located on the periodic table?

Back

Group 2

Front

What is the pattern for the reactivity of Halogens?

Back

Decreases as you move down the group

Front

How many valence electrons do Noble (Inert) Gases have?

Back

8

Front

What are the properties of metals?

Back

Lustrous and good conductors of heat and electricity