Advertisements
Advertisements
प्रश्न
State the nature of compounds formed when group 17 elements combine with (i) metals (ii) non-metals.
Advertisements
उत्तर
- Group 17 elements react with metals to form metal halides which are neutral in nature.
- Group 17 elements react with non-metals to form acidic compounds such as hydrogen halides.
APPEARS IN
संबंधित प्रश्न
What happens to the metallic character of the elements as we go down in a group of the periodic table?
The electronic configuration of the atom of an element X is 2, 8, 4. In modern periodic table, the element X is places in :
(a) 2nd group
(b) 4th group
(c) 14th group
(d) 8th group
How does the number of:
valence electrons and
An element X belong to 3rd periods and group II of the periodic table state:
the valency,
Complete the following sentences
The similarities in the properties of a group of elements are because they have the same …………………
Write two reasons responsible for the late discovery of noble gases?
What is meant by periodicity of elements?
Arrange the following in order of increasing radii:
N, O, P
The position of certain elements in the Modern Periodic Table is shown below:
| Group → Period ↓ |
1 | 2 | 3 to 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 1 | G | H | |||||||
| 2 | A | I | B | C | |||||
| 3 | D | E | F |
Using the above table answer the following questions giving reasons in each case:
- Which element will form only covalent compounds?
- Which element is a non-metal with valency 2?
- Which element is a metal with valency 2?
- Out of H, C, and F which has the largest atomic size?
- To which family does H, C, and F belong?
Name or state following with reference to the elements of the first three periods of the periodic table.
A metalloid in period 2 and in period 3.
