TABLE PERIODICALLY
The name for the rows on the periodic table.
PERIODS
The only synthetic element you might find in your home.
AMERICIUM
A name for a solution involving a metal.
ALLOY
A type of metal that is not as reactive as the first two groups, can be found free in nature.
TRANSITION METAL
The name for columns on the periodic table.
GROUPS
A synthetic element that can be used to identify gold and silver ores.
CALIFORNIUM
When one element is changed into another.
TRANSMUTATION
The type of electrons that are only in the outermost S and P orbitals.
VALENCE
A completely unreactive group.
NOBLE GASES
The number of natural AND abundant elements.
85
A common term used to refer to the size of an atom, difficult to determine.
ATOMIC RADIUS
The number of groups that the transition metals fall under.
3-12
(10)
Elements that normally want to lose two electrons.
ALKALINE EARTH METALS
The heaviest element yet created, only lasts for .89 milliseconds.
OGANESSON
A term that describes the final explosion of a dying star.
SUPERNOVA
Pnictogens have this many valence electrons.
5
The name of the scientist that is credited with developing the modern periodic table.
MENDELEEV
The hypothetical most stable synthetic element, yet to be created, that is in an island of stability.
UNBIHEXIUM
ELEMENT 126
How unstable elements disappear.
RADIOACTIVE DECAY
A portion of every atom that has poorly defined edges.
ELECTRON CLOUD