Question

What r the properties of long form of periodic table.​

Answer 1

● properties of elements are periodic function of their atomic number.

● the vertical columns are called groups and horizontal rows are called periods.

●elements in a group have same number of Valence Electrons.

● elements in same period have same number of shells.

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Answer 2

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Properties of long form of periodic table

• Arrangement of elements as per the increasing atomic number (protons) incidentally reflects .

• The Physical properties of elements are, controlled by the nuclear mass, while chemical properties are determined by the valence electrons.

• Properties of elements are periodic function of their atomic number.

• The vertical columns are called groups and horizontal rows are called periods.

• Elements in a group have same number of Valence Electrons.

• Elements in same period have same number of shells.

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