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What arrange the known elements into groups and periods?
The periodic table
What are the sub categories of the periodic table of elements?
The periodic table of elements is divided into groups and periods. The groups (columns) are elements with similar chemical properties, while the periods (rows) represent the number of electron shells in an atom. The main subcategories include metals, nonmetals, and metalloids.
What are the horizon rows containing elements from different groups with different properties called?
The Horizontal Rows are called Periods & the Vertical are Families or Groups.
Why are the elemets in the periodic table listed in ceratin groups?
The vertical "groups" group elements by chemical properties the horizontal "periods" group elements by the number of energy levels
Which way are periods on a periodic table?
Periods are horizontal.Groups are vertical.Just think group = up and downperiod= right and left
Why are the elements grouped together in periods and groups?
Because they are!
How do groups and periods on the periodic table differ?
Groups are vertical and contain chemical elements with similar properties; periods are horizontal.
Are columns of elements called periods?
No, columns of elements in the periodic table are called groups or families. Periods are the rows of elements that run horizontally across the table. Each period corresponds to the number of electron shells an element's atoms have.
How many periods of elements are there?
The periodic table of Mendeleev has 18 groups and 7 periods.
What arrange the known elements into groups and periods?
The periodic table
What are the sub categories of the periodic table of elements?
The periodic table of elements is divided into groups and periods. The groups (columns) are elements with similar chemical properties, while the periods (rows) represent the number of electron shells in an atom. The main subcategories include metals, nonmetals, and metalloids.
How does the periodic table summarize elements?
In the periodic table chemical elements are orderd in periods and groups.
What class is rhenium?
Elements have groups, periods and even blocks but not class.
How are elements grouped into periods?
there are grouped in clomesand rows ad groups
How many groups periods are to be found in the periodic table?
There are 18 groups in the periodic table that categorize elements based on their similar chemical properties._rows."
How many periods and groups are on the modern periodic table?
7 periods and 18 groups are there on the modern periodic table.
How are elements in the Periodic Table of elements?
The periodic table of Mendeleev contain now 118 chemical elements arranged in groups and periods.
