Element Identification
This element with symbol 'Na' is commonly found in table salt.
What is Sodium?
Elements in this group are known as the alkali metals.
What is Group 1?
The vertical columns in the periodic table are called _______.
What are groups?
This element is the lightest and most abundant element in the universe.
What are hydrogen?
This metal is used to make electrical wires.
What is copper?
This noble gas is used in many colorful signs.
What is Neon?
In Group 18, all elements share this property.
What is inert?
Elements in the same period have the same number of _______.
What are electron shells?
This nonmetal is the only element capable of forming diamonds and graphite.
What is Carbon?
This gas is used to fill balloons and make voices sound high-pitched.
What is helium?
This halogen is added to water for purification.
What is Chlorine?
Atomic radius generally _______ as you go across a period.
What is decrease?
This number tells you how many protons are in an atom's nucleus.
What is atomic number?
This element is the only metal that is liquid at room temperature.
What is mercury?
This halogen is added to toothpaste to prevent cavities.
What is fluorine?
This element, with the symbol "Fe", is a major component of steel and rusts when exposed to oxygen and moisture.
What is Iron?
In Group 2, the tendency to form positive ions _______ as you go down the group.
What is increases?
These two rows at the bottom of the periodic table are named after elements with atomic numbers 57 and 89.
What are lanthanides and actinides?
This noble gas is used in brightly lit advertising signs due to its ability to emit light when electrically excited.
What is Neon?
This gas is used in light bulbs to prevent the filament from burning up.
What is argon?
This transition metal is liquid at room temperature.
What is Mercury?
This trend explains why Francium is the most reactive alkali metal.
What is increasing atomic radius?
This scientist is credited with creating the modern periodic table.
Who is Dmitri Mendeleev?
This element, named after a dwarf planet, is known for being highly radioactive and has a half-life of around 24,100 years.
What is Plutonium?
This rare earth element is used in powerful magnets and hybrid car batteries.
What is Neodymium?