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Which choice has the element groups in the order from left to right on the periodic table?
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∙ 6y ago
Alkali metals, alkaline earth metals, transition metals
Torrance Durgan
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Which choice has the element groups in the correct order from left to right on the periodic table?
Alkali metals, alkaline earth metals, transition metals
How are the periods on the periodic table numbered?
The elements are listed in the order of how many atoms they have. For example, hydrogen is the first element on the periodic table. Hydrogen is the smallest element, and has one atom.
Multiple choice questions on periodic table of element?
- the rational arrangement of chemical elements - elements in groups - elements in periods - atomic number - prediction of chemical and physical properties of elements
Summarize how the periodic table is organized and tell why this organization is useful?
The periodic table is a table made of 7 periods (rows) and 18 groups (columns). It is organized by the increasing order of the atomic number.
Why is hydrogen the first element?
As the periodic table is arranged in order of increasing atomic number hydrogen is the first element in the periodic table as it has only one electron.
In alphabetic order what is the last element on the periodic table?
Zirconium - Zr
How elements arranged in the periodic table?
Elements are arranged on the Periodic Table in the order of the atomic number, in groups and periods.
How did Mendeleev arrange the known element in his periodic table?
He arranged the elements in the increasing order of their atomic masses and repeating periodic properties.
The order of element in the periodic table is base on what?
It is based on the number of protons in one atom.
How are period arranged on the periodic table?
The elements are arranged in order of increasing atomic number in the Periodic Table. The rows are called periods and the columns are called groups.
How did Henry mosely rearrange the periodic table and why?
Before Henry Moseley, the periodic table was arranged in order of increasing atomic mass. However, this arrangement did not allow all the elements to be placed into groups of similar chemical properties. Moseley rearranged the periodic periodic in order of increasing atomic number which did have all the elements in their correct 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.
