A group of elements in the Periodic Table are given below (boron is the first member of the group and Thallium is the last).
Boron, Aluminium, Gallium, Indium, Thallium
Answer the following question in relation to the above group of elements:
If the electronic configuration of aluminium is , how many electrons are there in the outer shell of thallium?
Important Questions on Periodic Table, Periodic Properties and Variations of Properties
A group of elements in the Periodic Table are given below (boron is the first member of the group and Thallium is the last).
Boron, Aluminium, Gallium, Indium, Thallium
Answer the following question in relation to the above group of elements:
The atomic number of boron is Write the chemical formula of the compound formed when boron reacts with chlorine.
A group of elements in the Periodic Table are given below (boron is the first member of the group and Thallium is the last).
Boron, Aluminium, Gallium, Indium, Thallium
Answer the following question in relation to the above group of elements:
Will the elements in the group to the right of this boron group be more metallic or less metallic in character? Justify your answer.
Arrange the following as per instructions given in the brackets.
(decreasing order of atomic size)
Arrange the following as per instructions given in the brackets.
(increasing metallic character)
Arrange the following as per instructions given in the brackets.
(increasing ionisation potential)
Arrange the following as per instructions given in the brackets.
(increasing electron affinity)
Arrange the following as per instructions given in the brackets.
(decreasing electronegativity)
