Advertisements
Advertisements
प्रश्न
What happens to the atomic size of elements on moving from left to right in a period?
Advertisements
उत्तर
Atomic size of elements decreases on moving from left to right in a period.
APPEARS IN
संबंधित प्रश्न
What do you understand by atomic size? State its unit?
Fill in the blank:
On moving across a period from right to left in the periodic table, the atomic size of the atom ___________.
Write the name and symbol of the element from the description.
The atom having the smallest atomic mass.
Arrange the following as per the instruction given in the bracket
Na, K, Li (Increasing atomic size)
Nanometer unit is used to measure atomic radius.
The electronic configuration of metal A is 2, 8, 18, 1.
The metal A when exposed to air and moisture forms B a green layered compound. A with con. H2 SO4 forms C and D along with water. D is a gaseous compound. Find A, B, C, and D.
Elements have been arranged in the following sequence on the basis of their increasing atomic masses.
| F, | Na, | Mg, | Al, | Si, | P, | S, | Cl, | Ar, | K |
- Pick two sets of elements which have similar properties.
- The given sequence represents which law of classification of elements?
Write the formula of the product formed when the element A (atomic number 19) combines with the element B (atomic number 17). Draw its electronic dot structure. What is the nature of the bond formed?
Atomic number of a few elements are given below
10, 20, 7, 14
- Identify the elements
- Identify the Group number of these elements in the Periodic Table
- Identify the Periods of these elements in the Periodic Table
- What would be the electronic configuration for each of these elements?
- Determine the valency of these elements
Which one of the following has the largest atomic radius?
