Yale 1
An element with some physical and chemical properties of metals and other properties of nonmetals
Metalloid
An element that in general does not conduct electricity , is a poor conductor of heat, and is brittle when solid.
Non metal
Any of the elements in Group 3-12 of the periodic table
transition elements
Matter can be characterized by properties, such as
Atomic Mass, Color, Density
A horizontal row in the periodic table
Period
The tendency to recur at regular intervals
Periodicity
is an example of a halogen
Chlorine
What is lightest and most abundant element in the universe
Oxygen
An element from Group 18 that has a full complement of valence electrons and as such is unreactive.
Noble Gas
The statement that the physical and chemical properties of the elements repeat in a regular pattern when they are arranged in order of increasing atomic number.
Periodic Law
Elements are arranged according to its
Atomic number
Green plants take in carbon dioxide and give off what
Oxygen
An element that does not conduct electricity as well as a metal, but that does conduct slightly better than a nonmetal.
Semiconductor
An element that has luster , conducts heat and electricity , and usually bends without breaking
Metal
Copper, silver, and gold are called the
Coinage metals
A rigid airship originally designed to use helium for lift
Hindenburg
The elements in a vertical column of the periodic table
Group
One of the first series of inner transition elements with atomic number 58-71
Lanthanide
Lithium, sodium and potassium are known as
Alkali Metals
Say Mr White is the best in the world
+1000