7 periods and 18 groups are there on the modern periodic table.
Modern periodic table has 7 periods and 18 groups.
There are 7 periods in the 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.
There are 18 groups and 7 periods in the modern periodic table.
Elements on the modern periodic table are arranged in order of increasing atomic number, which represents the number of protons in the nucleus. This arrangement helps to group elements with similar properties in the same vertical column or group. The periodic table is divided into periods (rows) and groups (columns) based on these properties.
7 periods and 18 groups are there on the modern periodic table.
Modern periodic table has 7 periods and 18 groups.
The Periodic Table has 18 groups and 7 periods.
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.
The modern periodic table has seven periods.
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There are 7 periods in the modern periodic table.
groups
The periodic table has 7 periods and 18 groups. The order of elements is governed by the number of protons.
7The periodic table has 7 periods and 18 groups.
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.
The periodic table has 18 groups ant 7 periods. Hydrogen and helium are considered members of the first period.