A period is one of the horizontal rows in the periodic table, all of whose elements
have the ... of people are sensitive to beryllium and may develop an inflammatory
reaction in their respiratory sy...
The horizontal rows in the periodic table are called periods. The horizontal ... The
elements moving from left to right in "periods" have increasing atomic numbers.
Well, typically elements put in the same column share a lot of properties and
show identical ... What are the horizontal rows in the periodic table called? Why
Each element is placed in a specific location because of its atomic structure. As
with any grid, the ... When you look at the periodic table, each row is called a
period (Get it? ... The periodic table also has a special name for its vertical
The periodic table currently contains 7 periods, but theorists predict that two
additional periods ... By expanding the horizontal dimensions of the table, the
actinide and ... an element with atomic number 92 in the actinide series, called
The periodic table shows all the elements and their physical properties; it is
arranged ... The vertical columns (groups) of the periodic table are arranged such
that all its ... Each row of the periodic table is called a period and each column of
The vertical columns on the periodic table are called groups or families. Groups
probably come in most handy when predicting the properties of an element.
All the different elements are arranged in a chart called the periodic table. ... table
: the horizontal rows are called periods; the vertical columns are called groups ...
Learn how different elements are arranged in the periodic table with BBC ... are
called periods; the vertical columns are called groups; elements in the same ...
Explain why elements in a group have similar properties. 2. Identify the ... Our
current periodic table lists 109 elements. ... The horizontal rows are called