Periodic Table Review

How are elements on the periodic table arranged by?

• in alphabetic order
• simular physical & chemical properties
• their symbols
• Just simular physical properties

Each column in the periodic table is called a _________ .

• period
• group
• cluster
• unit

Periods on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Which group of the periodic table is composed of inert (not reactive)  gases?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

What's a valence electron?

• electrons in the second energy level
• electrons in the outermost energy level
• the atomic number
• electrons in the first level

In the modern periodic table elements are arranged by:

• atomic mass
• atomic number
• valence electrons
• number of isotopes

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

What period is Lead (Pb) in?

• 6

• 4

• Metals

• 4A

This element has two valence electrons and two energy levels?

• Beryllium (Be)

• Lithium (Li)

• Zinc (Zn)