Periodic table of the elements

_________________is a tabular arrangement of the chemical elements based on increasing atomic numbers.

• Periodic Table of elements

• Families or Groups

• Periods or Series

• Transition Group

Vertical columns in the Periodic Table of elements are called __________.

• Period or series

• Families or Group

• Representative elements

• Transition elements

These are found on the Periodic Table.

• Compounds
• Elements
• Mixtures

How are elements on the periodic table arranged by?

• in alphabetic order
• similar physical & chemical properties

• their symbols
• Just similar 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

What is the name of group number 1?

• halogens

• noble gases

• alkali metals

• alkaline earth metals

Which element is found in group 2, period 6?

• Oxygen (O)

• Barium (Ba)

• Selenium (Se)

• Carbon (C)

The Modern Periodic Table of Elements is arranged by

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

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

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