Non-elements. There are only around 118 known elements, there are millions of compounds made of those elements.
main group elements
The properties were repeated after 8 elements.
There are a total of 118 elements known to exist on the periodic table.
Period 1: 2 elements Period 2: 8 elements Period 3: 8 elements Period 4: 18 elements Period 5: 18 elements Period 6: 32 elements Period 7: 25 elements
Beryllium Hydroxide
Beryllium hydroxide
Beryllium Hydroxide.
Be(OH)2 is beryllium hydroxide
This compound is beryllium hydrogen carbonate.
No. It is quite difficult for elements to change into new elements.
Non-elements. There are only around 118 known elements, there are millions of compounds made of those elements.
Hydrogen and oxygen are already elements. Elements do not contain other elements.
Transuranium Elements
main group elements
the sum of the elements divided by the number of elements is the average
The properties were repeated after 8 elements.