Question

In Mendeleev’s periodic classification, whether chemically similar elements are placed in a group or in a period?

Answer 1

Answer:

in mendeleev periodic table similar elements are placed in groups

Answer 2

Answer:

• Mendeleev’s periodic classification places chemically similar elements in a group that was represented by a vertical column on the periodic table.
• Mendeleev’s periodic table was based on ‘atomic mass’, chemical and fundamental properties of elements.
• He proposed his ‘periodic table’ based on his periodic law that stated, ’the “properties of elements” are the “periodic function” of their atomic masses’.
• He referred to the groups as families because every element in a group can be ‘similar but not identical’ to other elements in the group.
• Mendeleev created eight groups in his periodic table with groups from I to VI further subdivided into A and B, like Group IA or Group IB.