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7 periods and 18 groups are there on the modern periodic table.

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How many groups and periodic are on the periodic table?

7 periods and 18 groups are there on the modern periodic table.


How many periods and groups are there in the periodic table?

Modern periodic table has 7 periods and 18 groups.


How many period are there in the Modern Periodic Table?

The Periodic Table has 18 groups and 7 periods.


How many periodic are there in modern periodic table?

In the periodic table of the elements there are 7 periods and 18 groups. The rows are called periods and columns are called groups. You may be getting confused by the lanthanides and actinides. These groups of elements are found in two rows at the bottom and seem to not be a part of the table. However, if you find and extended version of the table you will see that, technically, these two rows belong in Periods 6 and 7.


How many periods are there on the modern periodic table?

The modern periodic table has seven periods.


How many periods does the modern period table have?

9


How many rows are there in Modern periodic table?

There are 7 periods in the modern periodic table.


The columns in the periodic table are called?

groups


In which pattern modern periodic table was arranged?

The periodic table has 7 periods and 18 groups. The order of elements is governed by the number of protons.


How many periods are on the periodic table?

7The periodic table has 7 periods and 18 groups.


How many periods are there in a Modern Periodic Table?

The Periodic Table has 7 periods (horizontal rows) and 18 groups. The two groups of 14 elements at the bottom (lanthanides and actinides) are parts of the 6th and 7th periods, between groups 2 and 3, but are placed below to limit the displayed width of the table.


How many groups and how many periods does the modern periodic table have hydrogen and helium should be counted as the first period.?

The periodic table has 18 groups ant 7 periods. Hydrogen and helium are considered members of the first period.