Atomic Structure and Periodic Table Review

A common characteristic of metals is:

Elements in an element family have similar

elements shown below

Sodium (Na) is in Group 1, therefore I know it has the following two characteristics:

Elements in Group 18 (Noble Gases) are:

Number of valence electrons increases as you move

Vertical columns on periodic table

As you move across the periodic table from left to right, atomic masses:

Mendeleev left gaps in his periodic table because

On the periodic table, elements with similar chemical characteristics are found in the same:

What is NOT true of the group of elements shown.

Neutrons have:

Horizontal rows on the periodic table

Radioactive elements comprise a majority of the

The number of protons an element has is the:

Sodium, Na, belongs to the ______ family.

Helium (He) belongs to the ______ family.

What is the name of group 2A?

You can determine the number of valence electrons by the:

Elements in the same period have what in common?

The only metal that is a liquid at room temperature is

What is the most reactive group of metals?

What element are to the right side of the stair step line?

The majority (most) of the elements are:

How is the modern periodic table arranged?

Who created the first periodic table?

How was Mendeleev's periodic table arranged?

Metals have all of the properties listed EXCEPT...

The ability of a metal to be drawn into a wire is a property known as

What are valence electrons

The elements along zig zag line on the periodic table of elements are:

What elements are located along the stair-step line?

Carbon (C) in Group 14 has _____ valence electrons.