Question

state any five features of modern periodic table
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Answer 1

Answer:

The main features of modern periodic table

• Elements are arranged in the increasing order of atomic numbers.
• Elements in the modern periodic table are arranged in 7 periods and 18 groups.
• Horizontal rows are called periods and vertical columns are called groups.

Answer 2

Answer:

Five features-

1. Modern periodic table was based on atomic no.

2. It was Able to give the place to hydrogen

3. It also gave proper position to isotopes and explained it.

4. Noble gases were also given positions .

5. It contain 7 rows called period and 18 columns called grp .