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∙ 11y agoThose Roman numerals on the Periodic Table refer to the number of valence electrons in a given group.
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∙ 11y agoelectrons
valence electrons
a family of the periodic table is like a group of elements of the same type.
noble gases
In chemistry, a group (also known as a family) is a vertical column in the periodic table of the chemical elements. There are 18 groups in the standard periodic table.
electrons
The halogen family in the periodic table is classified as group 17, which is also known as group VIIA.
valence electrons
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.
A group in Periodic Table is the column of element in periodic table
FeLIX is the answer.. Fe = The symbol for iron in the periodic table LIX = The symbol for 59 in Roman Numeral
Chlorine is in Group 17 of the Periodic Table.
Lead is in the group 14 of the Periodic Table.
Astatine is placed in group-17 in the Periodic Table. Its symbol is At.
A nitrogen atom has 5 electrons in its outermost energy level.
There is no group p on the periodic table.
Lead is in the group 14 of the Periodic Table.