Transition Metals
Alkali Metal
Alkaline Earth
Metalloids & Basic Metals
Nonmetals
100

This element has 26 protons.

What is Iron (Fe)?

100

This element has 11 protons. 

What is Sodium (Na)?

100

This element, a critical ingredient in bone, has 20 protons. 

What is Calcium (Ca)?

100

This element, named for an industrial region in California specializing in electronics, has 14 protons. 

What is Silicon (Si)? 

100

This element, having 6 protons, is the second most common element in the human body and common to all organisms. 

What is Carbon (C)? 

200

This element is the only Transition Metal that remains in liquid state at room temperature. 

What is Mercury (Hg)?

200

A good source of this element, possessing 19 protons, can be found in bananas. 

What is Potassium (K)? 

200

Baked beans and peanuts are good sources of this element, which has 12 protons. 

What is Magnesium (Mg)?

200

This element, with 5 protons, is used with Silicon to form compounds used to make glass stronger, less prone to shatter or break in earthquakes. 

What is Boron (B)?

200

This element, with 9 protons, is one of the most reactive nonmetals, capable of reacting to all the elements except Neon and Helium. 

What is Flourine (F)?

300

This element, with 28 protons, is found in the Earth's inner and outer cores. 

What is Nickel (Ni)? 

300

This element, with 3 protons, is one of the materials used in batteries. 

What is Lithium (Li)?

300

This element, with 38 protons, is used in fireworks to produce the varying range of red colors.

What is Strontium (Sr)?

300

This element, with 50 protons, can be combined with Cu to make bronze. 

What is Tin (Sn)? 

300

This element, with 16 protons, when combined by Charles Goodyear with rubber removed the tendency of the tree sap to melt under heat and crack under cold temperatures. 

What is Sulfur (S)? 

400

This element, with 22 protons, is often used to provide strong, non-magnetic materials to hold together fractured or weakened bones. 

What is Titanium (Ti)?

400

This element, with 55 protons, is used to power some kinds of atomic clocks. 

What is Cesium (Cs)? 

400

This element, discovered by Pierre & Marie Curie, has 88 protons. 

What is Radium (Ra)?

400

This element, having 82 protons, was once used for water pipes as well as makeup. 

What is Lead (Pb)? 

400

This element, with 53 protons, is part of a group known as "salt-formers," because of their reactivity to alkali metals and alkaline earth elements. 

What is Iodine (I)? 

500

This element, possessing 74 protons, is often used to make the filament in lightbulbs. 

What is Tungsten (W)? 

500

This element, possessing 37 protons, is highly reactive to water and air. 

What is Rubidium (Rb)? 

500

This element, with 4 protons, is often used to make non-spark tools and airplane parts. 

What is Berylium (Be)? 

500

This element, with 13 protons, is often used in cans and other light-weight containers. 

What is Aluminum (Al)?

500

These six elements, ranging from 2 to 86 protons, are odorless, colorless, nonflammable, and tasteless under usual conditions but can illuminate under the right conditions.

What are the Noble Gases (Helium, Neon, Argon, Krypton, Xenon, and Radon)?