Creation of the Periodic Table
The meaning of the word "periodic".
What is "repeating pattern"?
The elements are currently arranged by.
What is the atomic number?
Describes the ability of a metal to reflect light.
What is luster?
Elements that have no metallic properties.
What are nonmetals?
The 4 elements that make up 96% of the human body.
What are oxygen, carbon, hydrogen, and nitrogen?
Created the first version of the periodic table.
Who is Mendeleev?
A column in the periodic table.
What is a group?
The ability of a substance to be hammered or rolled into sheets.
What is malleability?
Elements that only react with other elements under special conditions in a labratory.
What are noble gases?
What are alkali metals?
A chart of elements arranged in rows and columns according to their chemical and physical properties.
What is the periodic table?
A row in the periodic table.
What is a period?
The elements in groups 3 - 12.
What are the transition elements?
The most common element in the universe.
What is hydrogen?
An element that is generally shiny and a good conductor of electricity.
What is a metal?
Mendeleev arranged the elements by this.
What is the element's atomic masses?
Have properties of both metals and nonmetals.
What are metalloids?
The ability to be pulled into thin wires.
What is ductility?
Conducts electricity at high temperatures, but not at low temperatures.
What is a semiconductor?
Elements that react with a metal to form salt.
What are halogens?
The scientist that changed the way the elements were originally arranged on the periodic table.
Who is Henry Moseley?
How synthetic elements are made.
What is by people (humans)?
Located in Group 2 of the periodic table.
What are the alkaline earth metals?
Elements in group 17 on the periodic table.
What are halogens?
The names of each of the two rows at the bottom of the periodic table.
What are Lanthanide and Actinide Series?