Advertisements
Advertisements
Question
Write the name.
The atom having the smallest atomic radius from zero group.
Solution
The atom having the smallest atomic radius from zero group- Helium (He)
APPEARS IN
RELATED QUESTIONS
Metallic character and non-metallic character are periodic properties discuss ?
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
Is it a metal or a non-metal?
How do the following change on moving from left to right in a period of the periodic table?
Give examples in support of your answer.
Nature of oxides of the elements ?
Arrange the elements of group 17 and group 1 according to the given conditions.
Increasing non – metallic character
In Period 3, the most metallic element is ______.
For the main group of the periodic table, the metallic properties of the elements vary approximately with their position as shown in the table.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| H | He | ||||||
| A | B | ||||||
| C | D |
Will the most non-metallic element be found at A,B,C or D ?
Refering to changes in the properties of elements on moving from left to right across a period of the periodic table. Choose the correct answer.
The non-metallic character of the elements :
The tendency of an element to form cation is the _______ character of that element.
On moving down the group metallic character increases.
Electronegativity is the metallic property of an element.
Write an Explanation.
Electropositivity
3, 1, 2 electrons are in valence shells of X, Y, Z elements. From this information, state the group in which they belong and write their valencies.
An element has atomic number 17. To which group, the period does it belong? It is metal or non-metal?
Which of the following sets of atomic numbers belong to that of alkali metals?
Which of the following set of elements is written in order of their increasing metallic character?
Arrange:
Be, Li, C, B, N, O, F (in increasing metallic character).
The given table shows elements with the same number of electrons in its valence shell.
| Elements | A | B | C |
| m.p. | 63.0 | 180.0 | 97.0 |
Arrange them in order of increasing metallic character.
A group of elements in the periodic table is given below (Boron is the first member of the group and Thallium is the last).
Boron, Aluminium, Gallium, Indium, Thallium
Answer the following question in relation to the above group of elements:
Will the elements in the group to the right of this boron group be more metallic or less metallic in character? Justify your answer.
