The Periodic Table - Fill in the Blank

The periodic table was put together by a man named ______.

• Russian

• Mandeleev

• period

• group

The man who put togehter the periodic table was from ___.

• Canada

• similar

• mass

• Russia

The elements are listed and ordered in the periodic table according to ____.

• group

• period

• atomic nunmber

• the alphabet

The number of known elements in 1869 was ___

• 118

• 60

• 92

• 400

An atomic mass has to do with the ___ of an element

• number

• mass

• group

• period

A heavy element usually has a ___ atomic number than a light element does.

• same

• lower

• higher

• 17

Elements in the same row across (left to right) belong to the same

• group

• period

• mass

• number

Elements in the same up-and-down column belong to the same

• group

• period

• mass

• number

Elements of the same group have many properties that are ___.

• different

• similar or same

• higher

• lower

The number of elements in our modern periodic table is __.

• 60

• 106

• 92

• 118