Periodic table

Demetrius Mendeleev developed a chart like arrangement of the elements called the __

• elelments

• peroics

• periodic table

Each horizontal row of elements is called a(n) __. Each vertical column is called a(n) ___.

• group, period

• period, group

• family; periods

Dmitri Mendeleev stated that if the elements were listed in order of increasing __(2)__, _

• Atomic number

• Atomic mass

• periodic table

The arrangement used today, devised by ____, ( modern periodic table

• Medalevve

• Mosely

• John Dalton

• None

In periodic table, rows 4 through 7, there is a wide central section containing elements, each of which is called a(n) ____.

• Metals

• Transition metal

• Metaloids

• Other metals

Rows 6 and 7 also contain two other sets of elements that are listed below the main chart. These are called the ____ and the ____, respectively

• lanthanide series;transition element

• transition element; actinide series

• actinide series;lanthanide series

• transition element; Halogens

Each of the elements in the column labeled 1 is called a(n) __.

• Alkali metals

• Alkaline earth metals

• Halogens

• Noble gases

Each of the elements in the column labeled 18 is called a(n) __.

• Alkaline metals

• Alkaline earth metals

• Halogens

• Noble gases

Each of the elements in the column labeled 2 is called a(n) __.

• Alkaline metals

• Alkaline earth metals

• Halogens

• Noble gases

Each of the elements in the column labeled 17 is called a(n) __.

• Alkaline metals

• Alkaline earth metals

• Halogens

• Noble gases