Periodic Table

Elements that are poor conductors of heat and electricity.

An average mass of all of an elements isotopes is the element's

A one or two letter representation of an element is called

The ease and speed with which an element combines with other elements or compounds.

Mendeleev's periodic table was arranged according to

Scientist who recognized the the patterns of elements in 1869

A chart of elements showing the repeating pattern of their properties is called

A material that can be pulled out or drawn into long wire.

Electrons found in the outermost energy level of an atom and determine combining power

If Copper has 29 protons, how many electrons does it have?

The group of elements that don't combine with other elements except under special conditions

The elements in a column of the periodic table are called

Material that can be hammered or rolled into flat sheets and other shapes.

The modern periodic table is arranged according to

An element that has properties of both metals and nonmetals.

The atomic number of copper (Cu) is 29, how many protons does copper have?

Shiny, malleable, ductile and conduct heat and electricity.

Each horizontal row in the periodic table is called

The ability of an object to transfer heat or electricity to another object.

The gradual wearing away of a metal due to a chemical reaction.