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Eka boron : Scandium : : Eka Aluminum : _______
Concept: undefined >> undefined
Two elements in the same position : demerit of Newland's octaves : : place for Isotopes : _______
Concept: undefined >> undefined
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Two elements in the same position : demerit of Newland's octaves : : place for Isotopes : _______
Concept: undefined >> undefined
Find the odd one out and give its explanation.
Concept: undefined >> undefined
Find the odd one out and give its explanation.
Concept: undefined >> undefined
Find the odd one out and give its explanation.
Concept: undefined >> undefined
Find the odd one out and give its explanation.
Concept: undefined >> undefined
Write Fleming’s left hand rule.
Concept: undefined >> undefined
Match the columns.
| Column A | Column B |
| 1) Eka-aluminium | a) Scandium |
| 2) Eka-Silicon | b) Gallium |
| 3) Eka- boron | c) Germanium |
| d) Beryllium |
Concept: undefined >> undefined
Match the columns.
| Column A | Column B |
| 1) Eka-aluminium | a) Scandium |
| 2) Eka-Silicon | b) Gallium |
| 3) Eka- boron | c) Germanium |
| d) Beryllium |
Concept: undefined >> undefined
Match the columns.
| Column A | Column B |
| 1) Triads | a) Mendeleev |
| 2) Octave | b) Dobereiner |
| 3) Atomic number | c) Thomson |
| 4) Atomic mass number | d) Moseley |
| e) Newland |
Concept: undefined >> undefined
Match the columns.
| Column A | Column B |
| 1) Triads | a) Mendeleev |
| 2) Octave | b) Dobereiner |
| 3) Atomic number | c) Thomson |
| 4) Atomic mass number | d) Moseley |
| e) Newland |
Concept: undefined >> undefined
Write the name.
The family of group 1 elements.
Concept: undefined >> undefined
Write the name.
The family of group 1 elements.
Concept: undefined >> undefined
Write the name.
The family of elements having zero valency.
Concept: undefined >> undefined
Write the name.
The family of elements having zero valency.
Concept: undefined >> undefined
Write an Explanation.
Critical angle
Concept: undefined >> undefined
Write scientific reason.
In a group, the size of the atom increases as it goes down from the top.
Concept: undefined >> undefined
Write scientific reason.
In a group, the size of the atom increases as it goes down from the top.
Concept: undefined >> undefined
Write scientific reason.
The velocity of spacecraft at the earth's surface must be greater than the escape velocity of the earth.
Concept: undefined >> undefined
