Periodic table’s seventh

row finally complete

Four new chemical elements have been added to the periodic table, completing its seventh period (or row) – the first to be included in the table since 2011, when elements 114 and 116 were added

PERIODIC TABLE OF ELEMENTS

(updated)

Arrangement of chemical elements, ordered by their atomic

number, electron configurations, and

recurring chemical properties

elements are metals on lefthand side,

and non-metals on righthand side)

(generally,

Colour

key

Alkali metal

Alkaline earth metal

Lanthanide

Actinide

Transition metal

Post-transition metal

Metalloid

Polyatomic nonmetal

Diatomic nonmetal

Noble gas

Unknown chemical properties

FOUR NEW ELEMENTS

(temporary names)

Discovered by

Japanese team

Discovered by joint Russian

and American teams

Discoverers invited to suggest permanent names and symbols for elements

Element key

New elements do not appear in nature,

Atomic number

but are unstable reactive elements made

in laboratory

Symbol

Elements can be named after

mythological concepts, minerals, places

or countries, property or scientists

Element name

After

accepts new

International Union of Pure and Applied Chemistry

names and two-letter symbol suggestions, they are presented for public

review for five months, before organisation makes final decision

Sources: iupac.org, wire agencies

*Predicted to be post-transition metal

Periodic table’s seventh

row finally complete

Four new chemical elements have been added to the periodic table, completing its seventh period (or row) – the first to be included in the table since 2011, when elements 114 and 116 were added

PERIODIC TABLE OF ELEMENTS

(updated)

Arrangement of chemical elements, ordered by

their atomic number, electron configurations,

and recurring chemical properties

elements are metals on

lefthand side, and non-

metals on righthand side)

(generally

Colour key

Alkali metal

Alkaline earth metal

Lanthanide

Actinide

Transition metal

Post-transition metal

Metalloid

Polyatomic nonmetal

Diatomic nonmetal

Noble gas

Unknown chemical properties

FOUR NEW ELEMENTS

(temporary names)

Discovered

by Japanese

team

Discovered by joint

Russian and

American teams

Discoverers invited to suggest permanent

names and symbols for elements

Element key

New elements do not

Atomic number

appear in nature, but are

unstable reactive

elements made in

laboratory

Symbol

Element name

Elements can be named after mythological concepts,

minerals, places or countries, property or scientists

After

International Union of Pure and Applied

accepts new names and two-letter symbol

Chemistry

suggestions, they are presented for public review for

five months, before organisation makes final decision

Sources: iupac.org, wire agencies

*Predicted to be post-transition metal

Periodic table’s

seventh row

finally complete

Four new chemical elements have been added to the periodic table, completing its seventh period (or row) – the first to be included in the table since 2011, when elements 114 and 116 were added

PERIODIC TABLE OF ELEMENTS

(updated)

Arrangement of chemical elements,

ordered by their atomic number,

electron configurations, and

recurring chemical properties

(Generally, elements are metals

on lefthand side,

and non-metals

on righthand side)

Rotate phone to view

Periodic Table in detail

Colour key

Alkali metal

Alkaline earth metal

Lanthanide

Actinide

Transition metal

Post-transition metal

Metalloid

Polyatomic nonmetal

Diatomic nonmetal

Noble gas

Unknown chemical properties

FOUR NEW ELEMENTS

(temporary names)

Discovered by Japanese team

Discovered by joint

Russian and

American teams

Discoverers invited to suggest

permanent names and

symbols for elements

Element key

Atomic number

Symbol

Element name

New elements do not appear in

nature, but are unstable reactive

elements made in laboratory

Elements can be named after

mythological concepts, minerals,

places or countries, property or

scientists

After

International Union of

Pure and Applied Chemistry

accepts new names and two-letter

symbol suggestions, they are

presented for public review for five

months, before organisation makes

final decision

Sources: iupac.org, wire agencies

*Predicted to be post-transition metal