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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
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उत्तर
The similarities in the properties of a group of elements are because they have the same number of outer electrons.
संबंधित प्रश्न
Name the element that has two shells, both of which are completely filled with electrons.
How does the number of valence electrons vary on moving from left or right in the first period of the periodic table?
Why do elements in the same group show similar properties but the elements in different groups show different properties?
Given alongside is a part of the periodic table. As we move vertically downward from Li to fr?
| Li | Be |
| Na | |
| K | |
| Rb | |
| Cs | |
| Fr | |
| rA | Ra |
What happens to the size of atoms?
Why fluorine has higher E.N. than chorine?
Arrange the following according to the instruction given in the bracket:
K, Pb, Ca, Zn (in the increasing order of the reactivity).
State the number of elements in period 1, period 2 and period 3 of the periodic table.
Arrange the following as per instruction given in the bracket.
Mg, Cl, Na, S, Si (decreasing order of atomic size)
Name and state the following with reference to the elements of the first three periods of the periodic table.
Metalloid in Period 3.
There are three elements E, F, G with atomic numbers 19, 8 and 17 respectively.
Classify the above elements as metals and non-metals.
