Article
Lede sentence (current/proposed)
Change
Top-level super-categories
A metalloid is a type of chemical element which .. Metalloids are chemical elements which .. Mv→pl
In chemistry, a nonmetal (or non-metal) is a chemical element that ... In chemistry, nonmetals (or non-metals) are chemical elements that ... Mv→pl
A metal is a material that ... A metal is a material that ... No changes
en-wiki categories
The alkali metals are a group (column) in the periodic table consisting of the chemical elements The alkali metals are a group (column) in the periodic table consisting of the chemical elements Mv→pl
The alkaline earth metals are six chemical elements in group 2 of the periodic table. The alkaline earth metals are six chemical elements in group 2 of the periodic table. Mv→pl
The lanthanide or lanthanoid series of chemical elements comprises the 15 metallic chemical elements The lanthanides (or lanthanoids) are the 15 metallic chemical elements Mv→pl
The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements ... The actinides (or in IUPAC nomenclature, the actinoids) are the 15 metallic chemical elements ... Mv→pl
In chemistry, the term transition metal (or transition element) has three possible meanings: ... ?? Mv→pl
Post-transition metals are a set of metallic elements in the periodic table located between the transition metals to their left, and the metalloids to their right. Post-transition metals are a set of metallic elements in the periodic table located between the transition metals to their left, and the metalloids to their right. Mv→pl
The reactive nonmetals have a diverse range of individual physical and chemical properties. In periodic table terms they largely occupy a position between the weakly nonmetallic metalloids to the left and the noble gases to the right. The reactive nonmetals have a diverse range of individual physical and chemical properties. In periodic table terms they largely occupy a position between the weakly nonmetallic metalloids to the left and the noble gases to the right. Mv→pl
The noble gases (historically also the inert gases; sometimes referred to as aerogens) make up a group of chemical elements with similar properties ... The noble gases (historically also the inert gases; sometimes referred to as aerogens) make up a group of chemical elements with similar properties ... Mv→pl
Groups (other than those which form categories)
Group 3 is a group of elements in the periodic table. Group 3 is a group of elements in the periodic table. Mv→pl
Group 4 is a group of elements in the periodic table. It contains the elements ... Group 4 is a group of elements in the periodic table. It contains the elements ... Mv→pl
Group 5 (by IUPAC style) is a group of elements in the periodic table. Group 5 contains ... Group 5 (by IUPAC style) is a group of elements in the periodic table. Group 5 contains ... Mv→pl
Group 6, numbered by IUPAC style, is a group of elements in the periodic table. Its members are ... Group 6, numbered by IUPAC style, is a group of elements in the periodic table. Its members are ... Mv→pl
Group 7, numbered by IUPAC nomenclature, is a group of elements in the periodic table. They are ... Group 7, numbered by IUPAC nomenclature, is a group of elements in the periodic table. They are ... Mv→pl
Group 8 is a group of chemical element in the periodic table. It consists of ... Group 8 is a group of chemical element in the periodic table. It consists of ... Mv→pl
Group 9, numbered by IUPAC nomenclature, is a group of chemical element in the periodic table. Members are ... Group 9, numbered by IUPAC nomenclature, is a group of chemical element in the periodic table. Members are ... Mv→pl
Group 10, numbered by current IUPAC style, is the group of chemical elements in the periodic table that consists of ... Group 10, numbered by current IUPAC style, is the group of chemical elements in the periodic table that consists of ... Mv→pl
Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of ... Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of ... Mv→pl
Group 12, by modern IUPAC numbering, is a group of chemical elements in the periodic table. It includes ... Group 12, by modern IUPAC numbering, is a group of chemical elements in the periodic table. It includes ... Mv→pl
The boron group are the chemical elements in group 13 of the periodic table, comprising ... The boron group are the chemical elements in group 13 of the periodic table, comprising ... Mv→pl
The carbon group is a periodic table group consisting of ... The carbon group is a periodic table group consisting of ... Mv→pl
A pnictogen is one of the chemical elements in group 15 of the periodic table. This group is also known as the nitrogen family. It consists of the elements ... The pnictogens are the chemical elements in group 15 of the periodic table. This group is also known as the nitrogen family. It consists of the elements ...
The chalcogens are the chemical elements in group 16 of the periodic table. This group is also known as the oxygen family. It consists of the elements ... The chalcogens are the chemical elements in group 16 of the periodic table. This group is also known as the oxygen family. It consists of the elements ...
The halogens are a group in the periodic table consisting of five chemically related elements: The halogens are a group in the periodic table consisting of five chemically related elements: Mv→pl
Periods
A period 1 element is one of the chemical elements in the first row (or period) of the periodic table of the chemical elements. Period 1 elements are the chemical elements in the first row (or period) of the periodic table of the chemical elements. Mv→pl
A period 2 element is one of the chemical elements in the second row (or period) of the periodic table of the chemical elements. Period 2 elements are the chemical elements in the second row (or period) of the periodic table of the chemical elements. Mv→pl
A period 3 element is one of the chemical elements in the third row (or period) of the periodic table of the chemical elements. Period 3 elements are the chemical elements in the third row (or period) of the periodic table of the chemical elements. Mv→pl
A period 4 element is one of the chemical elements in the fourth row (or period) of the periodic table of the elements. Period 4 elements are the chemical elements in the fourth row (or period) of the periodic table of the elements. Mv→pl
A period 5 element is one of the chemical elements in the fifth row (or period) of the periodic table of the elements. Period 5 elements are the chemical elements in the fifth row (or period) of the periodic table of the elements. Mv→pl
A period 6 element is one of the chemical elements in the sixth row (or period) of the periodic table of the elements, including the lanthanides. Period 6 elements are the chemical elements in the sixth row (or period) of the periodic table of the elements, including the lanthanides. Mv→pl
A period 7 element is one of the chemical elements in the seventh row (or period) of the periodic table of the chemical elements. Period 7 elements are the chemical elements in the seventh row (or period) of the periodic table of the chemical elements. Mv→pl
Key
No change
Simple change to plural
More complex change
