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Elements are separated into groups with similar chemical properties. If you organize the elements in order of increasing atomic number, certain repititions occur, which makes it handy to predict how different elements in the same group will react. For example, oxygen and sulfur bear very little resemblance to each other; one's a colorless gas and the other's a non-metal solid. However, in a chemical reaction, they react very similarly, which is why they are placed in the same group.

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Q: Why are elements separated into groups on the table?
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Related questions

Can elements be separated by chemical means?

It means that elements can be separated by their chemical simulatries as they are on the periodic table of elements.


How many groups columns are in the periodic table of elements?

There are 18 groups in the periodic table of elements.


What is the name of the table that groups all of the known elements?

The Periodic Table of Elements


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There are 18 groups and 7 periods in the modern periodic table.


What is an arrangement of elements in which are separated into groups based on a set of repeating properties?

Sounds like the Periodic Table of the elements.


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Groups in the periodic table are the vertical columns in which the elements are arranged.


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There are 18 groups in the Periodic Table of elements.


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There are 18 main groups in the modern periodic table of elements.


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In the periodic table chemical elements are orderd in periods and groups.


How are the elements with simmiler properties desplaed in the periodic table?

The elements with similar properties are placed in groups. Periodic table contain 18 groups.


The periodic table of elements has 116 elements that have been separated based on their?

the number of protons.