answersLogoWhite

0

Ununoctium was discovered (prepared) in 2006; old Mendeleev tables (printed before 2006) don't contain ununoctium.

User Avatar

Wiki User

15y ago

What else can I help you with?

Related Questions

What are some uses of ununoctium?

Any practical use for ununoctium.


How many elements appear on the periodic table?

There are 118, but some tables still list only the most common, up to element 111, Rg (roentgenium)Scientists have discovered up to element 118, but four of the 118 have not been named except for their provisional designations (113 = ununtrium, 115 = ununpentium, 117 = ununseptium, 118= ununoctium).


Where is gadolinium located in periodic table?

Gadolinium is in the middle of the lanthanide sequence on the periodic table. (The lanthanide sequence is the skinny part at the bottom that, in some periodic tables, is put off to the side.)


How many elements are you periodic table?

118 elements are in the periodic table of elements; some of them are still unnamed (January 2013).


Are noble gases found in gorup 1?

No. The noble gases are in group 18 in wide form periodic tables and group VIII in some older narrow form tables.


What other numerical value appears in the square for each element on periodic table other than the atomic number?

Almost all "seriously intended" periodic tables also include average Atomic Mass numbers. (Some periodic tables intended for primarily decorative use may not contain any numbers at all.)


What does one cubic foot of ununoctium weigh?

The question is without sense because only some atoms of ununoctium were obtained up today.


What group is nitrogen on the periodic table?

15 (the 15th column from the left) or also called 5A on some periodic tables.


How would you identify metals in the periodic table?

On some periodic tables metals have a different color.


How can specific elements be identified in the periodic chart?

element symbols, atomic number and atomic mass, or even color on some tables.


What does the periodic table cotains?

The periodic table contains all the chemical elements. Some periodic tables, depending on the version, includes additional information about each element, such as the melting points, boiling points, atomic masses, mass numbers, etc.


How many periodic tables are there?

There is one standardized periodic table that is widely used in science and education. However, variations and alternative versions of the periodic table have been proposed over the years to highlight specific properties, trends, or categories of elements.