I don't see J.
The letter 'J'.
j, q
"Na" is Sodium.
Long dashes in the Mendellev's periodic table represent the element which were not discovered yet and these elements were discovered later on.
The answer is: Au
By grouping the elements on the Periodic Table.
a family is a column of elements a period is a row of elements
"Na" is Sodium.
A Periodic table The Periodic Table of the Elements.
atomic number
Long dashes in the Mendellev's periodic table represent the element which were not discovered yet and these elements were discovered later on.
The atomic symbol on the Periodic Table of Elements
The answer is: Au
No element in the periodic table begins with the letter J.
It is called the Periodic Table of Elements.
Symbols are the short forms to represent elements. Each element will have a unique symbol.
periodic table
By grouping the elements on the Periodic Table.
The gaps represented the elements which were not discovered. When the elements were invented, they were placed into these gaps.