answersLogoWhite

0

Technetium (43), Promethium (61), and all the transuranic elements are synthetic.

User Avatar

Wiki User

11y ago

What else can I help you with?

Related Questions

What does elments found in the same family on the periodic table have in common?

Elements in the same family (group) on the periodic table have the same number of valence electrons and hence they have similar properties and reactivities.


How do you find out what elements are on a planet?

the periodic table has all the elments


Group 18 contains which elments on the periodic table?

The noble gases viz., helium, neon, argon, krypton, xenon, radon


What is a group in a periodic table.?

A group in Periodic Table is the column of element in periodic table


How many elments does the periodic table have?

AnswerThere are 18 groups across the periodic table, and they are numbered 1 through 18. Group 1:Alkali Metals*Group 2:Alkaline Earth MetalsGroups 3-12: Transitional MetalsGroups 13&14: UnnamedGroup 15:Pnictogens or Pnicogens)Group 16: ChalcogensGroup 17: HalogensGroup 18: Noble Gases*excluding hydrogen (hydrogen is in its own group)


What group is Pb in for the periodic table?

Lead is in the group 14 of the Periodic Table.


What group is chlorine in on periodic table?

Chlorine is in Group 17 of the Periodic Table.


What group is astatine in the periodic table?

Astatine is placed in group-17 in the Periodic Table. Its symbol is At.


What is the location of mendelevium on the periodic table?

Mendelevium has the atomic number 101 (in the Actinides)


What is a family of elments?

A "family" of elements means the vertical columns in the periodic table. If you look above the periodic table, there will be numbers for each row, numbered from 1 to 18. Each "family" is a column.


What group is Pb (lead) in for the periodic table?

Lead is in the group 14 of the Periodic Table.


What are the chemical properties of group p of the periodic table?

There is no group p on the periodic table.