electrons
valence electrons
The roman numeral of a cation indicates he charge of the cation.
The Roman numeral for 10,000 is simply X but with an horizontal bar above the numeral to indicate multiplication by a thousand (10*1000 = 10,000).
Those Roman numerals on the periodic table refer to the number of valence electrons in a given group.
electrons
valence electrons
The Roman numeral is XVI. There should be a bar over the X to indicate 10000.
The Roman numeral at the top of a column on the periodic table indicates the number of valence electrons an element in that column has. Valence electrons are the electrons in the outermost shell of an atom and are involved in chemical bonding. Group IA elements have 1 valence electron, Group IIA elements have 2 valence electrons, and so on.
The roman numeral of a cation indicates he charge of the cation.
The Roman numeral for 10,000 is simply X but with an horizontal bar above the numeral to indicate multiplication by a thousand (10*1000 = 10,000).
The Roman numeral of XI is equivalent to 11
It represents the family the element is in.
Those Roman numerals on the periodic table refer to the number of valence electrons in a given group.
In today's notation of Roman numerals it represents 19
MLCCLXXXImproved answer:(V)CCLXXX or VCCLXXX but with a horizontal line above the numeral V to indicate multiplication by a thousand.Numerals in brackets also indicate multiplication by a thousand.
LX but with a horizontal bar above each numeral to indicate multiplication by a thousand. 60*1000 = 60000