This group consists of soft, extremely reactive metals, such as potassium, that are stored under oil to keep them from exploding.
What are the alkali metals?
This is the atomic symbol for potassium.

What is "K"?
This noble gas is commonly used in blimps and balloons due to its low density.
What is helium?
This is the atomic number for curium.

What is 96?
This Russian scientist is credited as the creator of the periodic table.
Who was Dmitri Mendeleev?
This group of inert gases includes xenon and argon.
What are the noble gases?
The atomic symbol for silver.

What is "Ag"?
This noble gas is used in signs with bright lights, and whose name means "new".
What is neon?
This is the atomic number for tin.

What is 50?
The periodic table was originally organized by this in ascending order.
What is atomic mass?
This large group includes shiny, conductive metals such as iron and platinum.
What are the transition metals?
This is the atomic symbol for mercury.

What is "Hg"?
This halogen gas is used in the making of toothpaste.
What is fluorine?
This is the atomic number for titanium.

What is 22?
This scientist was responsible for organizing the periodic table by atomic number.
Who was Henry Mosley?
This group consists of two metalloids, a metal, a solid nonmetal, and a gaseous nonmetal that makes up 80% of the air.
What is the nitrogen group?
This is the atomic symbol for xenon.

What is "Xe"?
This halogen is one of only two liquids on the periodic table.
What is bromine?
This is the atomic number for lithium.

What is 3?
This line separates the _______ from the metals and nonmetals.
What are metalloids?
This odd group consisting of one nonmetal, two metalloids, and two metals contains several extremely important elements, that, respectively, serve as graphite, computer chips, and foil.
What is the carbon group?
This is the atomic symbol for ytterbium.

What is "Yb"?
This element in the nitrogen group can be found in two "allotropes", or forms, known as "white _____" and "red ______".
What is phosphorous?
This is the atomic number for hassium.

What is 108?
This word describes something that repeats at certain intervals.

What is "periodic"?.