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प्रश्न
The following questions refer to the Periodic Table.
What happens to the atomic size of elements moving from top to bottom of a group?
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उत्तर
Atomic size increases on moving from top to bottom of a group.
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संबंधित प्रश्न
Why is the size of sodium is greater than magnesium?
Which is greater in size Fe2+ or Fe3+?
Arrange the following in increasing order of property indicated
I, I+, I- (atomic size)
Arrange the following as per the instruction given in the bracket
Na, K, Li (Increasing atomic size)
Which of the following are the characteristics of isotopes of an element?
- Isotopes of an element have same atomic masses
- Isotopes of an element have same atomic number
- Isotopes of an element show same physical properties
- Isotopes of an element show same chemical properties
- Electropositive nature of the element(s) increases down the group and decreases across the period
- Electronegativity of the element decreases down the group and increases across the period
- Atomic size increases down the group and decreases across a period (left to right)
- Metallic character increases down the group and decreases across a period.
On the basis of the above trends of the Periodic Table, answer the following about the elements with atomic numbers 3 to 9.
- Name the most electropositive element among them
- Name the most electronegative element
- Name the element with smallest atomic size
- Name the element which is a metalloid
- Name the element which shows maximum valency.
The diagram below shows part of the periodic table.
- Which elements would react together to form covalent compounds?
- Between the two elements W and Z, which will have a bigger atomic radius? Why?
Arrange the following as per the instruction given in the bracket:
Carbon, Fluorine, Beryllium (decreasing order of atomic size).
Arrange the following in order of increasing radii:
N, O, P
Explain your choice.
Give reason for the following:
The size of a Cl− ion is greater than the size of a Cl atom.
