Question 2131
What blocks of the periodic table contain elements where d orbitals are progressively filled?
Question 2132
What general physical property did Mendeleev predict for Eka-silicon regarding its melting point?
Question 2133
According to Mendeleev's predictions in Table 3.3, what was the formula of the oxide for Eka-aluminium?
Question 2134
What was the experimentally determined density of Germanium when it was discovered?
Question 2135
Which element did Mendeleev predict based on a gap under Aluminium?