This element is the most abundant element in the universe.
What is hydrogen?
Marie and Pierre Curie discovered this element.
What is radium?
This element forms the alloy bronze with copper.
What is tin?
This element is second only to carbon in its ability to form single bonds to itself.
What is sulfur?
The three isotopes of H.
What are hydrogen, deuterium, and tritium?
This element forms stable multiple bonds to itself
What is carbon?
This element has a diagonal relationship with lithium
What is magnesium?
This isotope is used in radiocarbon dating.
What is carbon-14?
This element has many allotropes, but exists as a tetrahedral molecule in its liquid and gas forms.
What is phosphorus?
This element is the most abundant element in the universe.
What is hydrogen?
This element has the highest standard reduction potential.
What is fluorine?
These two elements were named after the colors of their emission lines.
What are cesium and rubidium?
Like carbon, this substance takes on both a diamond and graphite structure.
What boron nitride?
This industrially important compound is produced in nature by bacteria.
What is ammonia?
Hydrogen is commonly produced from this reactant.
What is water?
These elements dissolve in liquid ammonia to produce blue solutions.
What are the alkali metals and the alkaline earths?
Either group gives a correct answer.
These elements are stored in the laboratory under mineral oil.
What are the alkali metals?
This compound was historically used as an "anti-knocking" additive in gasoline.
What is tetraethyl lead?
These two elements take on many different oxidation states to form a wide array of binary oxides.
What are nitrogen and sulfur?
This element has a surprisingly low bond energy.
What is fluorine?