groups 1a,2a,3a,4a,5a,6a,7a,8a : elements of each group generally have similar properties do to similar #s of valence e-s.
Groups
columns are the horizantal lines and groups are are the vertical lines
The horizontal lines are called "periods" and show how many "shells" each atom hasThe horizontal rows in the periodic table are called periods. The vertical columns are called groups.
each row in the Periodic Table is called a period.
They are called groups and the horizontal rows are called periods
rable
Single broken white lines?
the purpose of three broken lines is a triangle!
A group is a column in the periodic table of elements.
They are simply just called lines.
The contours of the water table lines are the same as the contours of other topographical lines. The only indication of water tables might be elevation lines but they are not unique to water tables.
Yes they are broken.