Periodic Table Trends Grade 8

The Family name that are the most reactive elements. 

Which element would be malleable, and a good conductor of electricity? 

Element with the atomic number 17 

Group 15 Period 3 

Family 1 Period 3 

The elements on the periodic table are arranged by........

The majority of the elements on the Periodic table are

The number of NATURALLY occurring elements

Atomic Mass of 12.01

 A semi-conductor of electricity found in computer chips

Symbol Hg

Physical Properties include non-conductors of electricity. Many exist in the gaseous state.  

Atomic number of 74

Family 4 Period 5 

The family that is UNREACTIVE on the periodic table.