4
the toothbrush became obsolescent when it had been used many times
The old phone model is becoming obsolescent as newer technology advances.
Latin was one of the first languages. Many other languages have Latin roots. And Not all the elements have Latin names. Some are named after famous people and scientist. Such as Einsteinium.
The number of unnamed elements are thirteen.Now it can be named by a latin numerals think so.Because the elements which are unnamed is found very very low in earth.As so we did not calculate the accure mass & some data.So we use it as the numeral system
There are 2 elements found in ammonium, nitrogen and hydrogen.
84 Elements
Many elements.
There are 118 elements found from Chemistry, not sure about other 2
The periodic table has about 118 elements, if that's what you're asking.
There are 4 elements in group-4.
92
many