Rightmost column is called the ones.
The 1 is in the 'ones' column, or 'units' column. It is the rightmost column to the left of the decimal point. So it really means one one. A 2 in the same column means two onesand a 3 in that column means three ones and so forth.
Noble gases are the gases in the rightmost column of the Periodic Table that have a full outer energy level. This is why the noble gases do not react with other elements readily. When an atom has a full outer energy level, it means that it has the maximum number of electrons in these outer shells, making it stable.
"rightmost " is not a proper word, however it's meaning is 'furthest to the right'
The border to the right of a column is called a right-border or column right boundary.
It is called a column. There is no other official special name.
The decorative top of a column is called the capital.
Each place value column in binary is twice the next one to the right; the rightmost place value column (of a whole number) is always the units column. Thus:10002 = 1 x 8 + 0 x 4 + 0 x 2 + 0 x 1 = 810
Column heading
Vertical columns are called groups. Horizontal rows are called periods.
The main part of the Parthenon's column is called the shaft.
The intersection of row and column is called a cell.
"Entasis" refers to the taper of a column.