Advertisements
Advertisements
प्रश्न
In which part of a group would you separately expect the elements to have the greatest metallic character
Advertisements
उत्तर १
The greatest metallic character is expected by elements in the lowest part of the group, as the metallic (electropositive) character increases on going down in a group.
उत्तर २
The greatest metallic character can be expected at the bottom of the group.
संबंधित प्रश्न
From the following elements :
4Be; 9F; 19K; 20Ca
(i) Select the element having one electron is the outermost shell.
(ii) two elements of the same group.
Write the formula of and mention the nature of the compound formed by the union of 19K and element X(2, 8, 7).
Calculate the mass of Calcium that will contain the same number of the atom as are present in 3.2 gm of Sulphur.
[Atomic masses: S=32, Ca=40]
The element which has the maximum number of valence electrons is:
(a) Na
(b) P
(c) Si
(d) A
An element X belong to 3rd periods and group II of the periodic table state:
the number of valence electrons,
State whether the following statement is true or false
Similar electronic configuration is repeated after intervals of 2, 8, 8, 18 and 32.
'In a group, the atomic radii increase with increasing period number', explain this statement and justify it with reference to group 17.
Arrange the following as per instruction given in the bracket.
Cs, Na, Li, K, Rb (increasing metallic character)
The elements of one short period of the periodic table are given below in order from left to right:
| Li | Be | B | C | O | F | Ne |
To which period do these elements belong?
State the nature of compounds formed when group 17 elements combine with (i) metals (ii) non-metals.
(a) Fill in the blanks and rewrite the completed statements:
(i) ________ group in the periodic table contains elements that are all gases at room temperature.
(ii) Very fine particles mainly scatter ______ light.
