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Periods are types of elements.

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Q: Why are the elements on the periodic tables separated into periods?
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Related questions

Why are periodic tables called that?

Because the elements that have similar properties are arranged in groups - or 'periods'.


What are periods for periodic tables?

a Periodic Table organises the different elements, according to the atoms' mass, type, properties, reactivity etc. See the question about: periodic table patterns


How many periods are on the periodic tables?

7The Periodic Table has 7 periods and 18 groups.


What is elements in periodic tables?

Go to this website


What is the Number of periods on the periodic table?

The periodic table has 7 periods and 18 groups. The periods are in a horizontal line and the groups are in a straight line like up to down.


Why is the periodic tables called the periodic table?

It is arranged such that similar elements with similar preferred bonding arrangements are aligned vertically. This exposes the various s, p, d, and f bonding orbitals for each successive "exterior" shell, and so appears to repeat... hence "periodic".


How many elements are you periodic table?

118 elements are in the periodic table of elements; some of them are still unnamed (January 2013).


What do periods mean in the periodic tables?

Periods in periodic table refers to rows.Each row element has its specific characteristics.There are 7 rows in a periodic table.


How can an elements Oxidation number be found?

In some periodic tables


What are the horizontal groups of the periodic tables called?

the horizontal rows (not groups) are known as periods.


Most modern periodic tables arrange elements by atomic number into seven horizontal rows called?

The horizontal rows are called periods, there are 7. The vertical rows are groups and there are 18.


What are the elements in group 3-12 on the periodic tables called?

These chemical elements are called transition metals.