Question

What is the honourable element of Mendeleeff ?

ii) Mendeleeff triad to explain the similarities of elements in the same group in terms

of which property ?

iii) The densities of Ca, Ba are 1.55 and 3.51 g cm–3 respectively. Based on Dobereiner’s

law of traids can you give the approximate density of strontium (Sr).

iv) Why Mendeleeff had to leave certain blank space in his periodic table. What is your

explanation for this ?​

Answer 1

Answer:

Dmitri Mendeleev published a periodic table of the chemical elements in 1869 ... The eka- prefix was used by other theorists, and not only in Mendeleev's own predictions. Before the ...