Question

Electronic configuration
What were the predicted elements of Mendeleev?

Eka- Aluminium

Eka - Boron

Eka - Silicon

All of the above​

Answer 1

All of the above.

Explanation:

In Mendeleev's periodic table, he predicted three elements. Namely,

# Eka Aluminium.

# Eka Boron.

# Eka Silicon.

Answer 2

$\sf \pink{eka - boron = scandium(2,8,8,3)}$

$\sf \red{eka - aluminium = gallium(2,8,8,8,5)}$

$\sf \blue{eka - silicon = germanium(2,8,8,6)}$

$\sf\orange{please\:mark\:as\:brainliest............}$