Symbols
Valence Electrons
Characteristics
Similarities
Name that Element
100

Ru

What is Ruthenium?

100

Name the family with 7 valence electron

What is the halogens?

100

The lightest alkali metal 

What is lithium?

100
A family that is soft to cut and highly reactive

What is Alkali Metal?

100

Name two elements in 1a group

What is Lithium, Sodium, Potassium, Rubidium, Cesium, Francium?

200
Hf

What is Hafnium?

200

Name the family with 2 valence electrons

What is Alkaline Earth Metal?

200

The only metalloid in 3a and has a diagonal relationship with silicon

What is Boron?

200
A family that is shiny solids and are normally found with oxygen

What is the Alkaline Earth Metals?

200

Name two elements in the 3a group

What is Boron, Aluminum, Gallium, Indium and Thallium?

300

Ar

What is Argon?

300

Name the family with 5 valence electrons

What is the Nitrogen group?

300

Most abundant metal on earth 

What is Aluminum?

300

A family that has the ability to form with almost all metals

What is the Halogens?

300

Name two elements in 5a group

What is Nitrogen, Phosphorus, Arsenic, Antimony, Bismuth?

400

Ra

What is Radium?

400
Name the family with 4 valence electrons

What is the Carbon group?

400

The most important element to life

What is Carbon?

400

A family that has the highest ionization energy and is colourless and unreactive

What are the Noble Gases?

400

Name two elements in the 7a Group

What is Fluorine, Chlorine, Bromine, Iodine, and Astatine?

500
Cf

What is Californium?

500

Name the family with 6 valence electrons

What is the oxygen group?

500

The heaviest Nobel Gas

What is Radon?
500

A family that is always found with other elements in nature

What is the Boron group

500

Name two elements in the 8a group

What is helium, Neon, Argon, Krypton, Xenon, and Radon?