the food web is too hard to learn. but keep trying. that's all!!
Thorium,Uranium and protactinium are the three missing elements.
germanium, gallium and scandium are the missing elements in Mendeleev periodic table
Few elements were not discovered at that time. They were missing in Mendeleev's table.
Once it looked like the periodic table had "missing" elements, the missing elements could be predicted and searched for. Many elements were found this way.
Group 0 elements, the noble gases.
Jungle and their family
it is the 100 hundred
In "Fahrenheit 451," Faber lists the three missing elements in a world without books. The elements are quality information, the leisure to digest the information, and the freedom to act on what has been learned from the first two elements.
germanium, gallium and scandium
the missing elements
by using the pattern he found
scandium, geranium, gallium
Because all the elements from hydrogen to ununoctium are discovered today.
Approval requirements Milestones and deliverable schedule
You think probable to Dimitri Mendeleev.
He made the first proper periodic table of elements and predicted the missing elements which proved true in the future
Then your body would no longer exist.
The Noble gases.