What is the meaning of period and group in periodic table? How many groups and periods in extended modern periodic table? - Quora
![The table given above represents the first three periods. Study the table and answer the question as given below :Which feature of the atomic structure accounts for the similarities in the chemical The table given above represents the first three periods. Study the table and answer the question as given below :Which feature of the atomic structure accounts for the similarities in the chemical](https://haygot.s3.amazonaws.com/questions/1806664_701c827ba4b8412687c28a92d9eb7687.png)
The table given above represents the first three periods. Study the table and answer the question as given below :Which feature of the atomic structure accounts for the similarities in the chemical
![What Are Periods & Groups In The Periodic Table? | Properties of Matter | Chemistry | FuseSchool - YouTube What Are Periods & Groups In The Periodic Table? | Properties of Matter | Chemistry | FuseSchool - YouTube](https://i.ytimg.com/vi/7mLPC74GHMo/maxresdefault.jpg)