Advertisements
Advertisements
प्रश्न
The similarities in the properties of a group of elements are because they have the same ______.
पर्याय
electronic configuration
number of outer electrons
atomic numbers
Advertisements
उत्तर
The similarities in the properties of a group of elements are because they have the same number of outer electrons.
APPEARS IN
संबंधित प्रश्न
Define the term : Atomic size
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is ______.
Use the letters only written in the Periodic Table given below to answer the questions that Follow :
1) State the number of valence electrons in atom J.
2) Which element shown forms ions with a single negative charge?
3)Which metallic element is more reactive than R?
4) Which element has its electrons arranged in four shells?
Fill in the blank in the following statement:
On going down in a group in the periodic table, the metallic character of elements ...............
How does the tendency to lose electrons change as we go down in group 1 of the periodic table? Why does it change this way?
In which part of a group would you separately expect the elements to have the greatest metallic character
Fill in the blank:
on moving from right to left in the second period, 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.
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 |
One element of this period is missing. Which is the missing element and where should it be placed?
Name or state following with reference to the element of the first three periods of the periodic table.
The valency of elements in group 1 [I–A].
