Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium.
Name the elements which have taken the place of these elements

Germanium (Ge), Gallium (Ga)

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Lithium (Li), Gallium (Ga)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Germanium (Ge), Silicon (Si)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Aluminum (Al), Silicon (Si)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
Germanium (Ge), Gallium (Ga)

Mendeleev assigned names eka-silicon and eka-aluminum to germanium (Ge) and gallium (Ga) respectively. These elements were predicted by Mendeleev but were not known at that time.

Suggest Corrections

Similar questions

Q. Mendeleev ′ predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium.
Classify these elements as metals, non-metals or metalloids

Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka

-

silicon and Eka

-

Aluminium.

Mention the group of these elements in the Modern Periodic Table :

Q. Gallium and germanium (discovered later) are placed below aluminium and silicon in their respective groups. The names of Gallium and Germanium as given by Mendeleev are Eka-aluminium and Eka-silicon.

Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium.
How many valence electrons are present in each one of them?

Mendeleev predicted the existence of certain elements not known at that time and named two of them as eka-aluminium, and eka-silicon.

(a) Name the element which has taken the place of (i) eka-aluminium and (ii) eka-silicon

(b) Mention the period/periods of these elements in the modern periodic table.

(d) Classify these elements as metals, non-metals or metalloids.

(e) How many valence electrons are present in the atoms of each of these elements?

Join BYJU'S Learning Program

Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium. Name the elements which have taken the place of these elements

The correct option is A Germanium (Ge), Gallium (Ga) Mendeleev assigned names eka-silicon and eka-aluminum to germanium (Ge) and gallium (Ga) respectively. These elements were predicted by Mendeleev but were not known at that time.

Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium.
Name the elements which have taken the place of these elements

The correct option is A
Germanium (Ge), Gallium (Ga)

Mendeleev assigned names eka-silicon and eka-aluminum to germanium (Ge) and gallium (Ga) respectively. These elements were predicted by Mendeleev but were not known at that time.