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Literal groups are by similar chemical properties (alkaline earth, halogens, etc.). Elements are arranged by atomic number (number of protons) and are grouped also by their state of matter. For example, metals are in the middle, liquids are grouped together, and except for Helium, gases are as well.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoBy atomic number, on most periodic tables its the small number to the left hand corner of the grid square. The atomic number is also the number of protons the element has.
Wiki User
∙ 11y agoAdd your answer:
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How are elements grouped?
they are grouped by the number of valence electrons.
Did mendeleev group the elements by density?
Chemistry books say that he grouped the elements by atomic weight. That is not the same as density.
Where are the most reactive metals grouped in the periodic table of elements?
Group I, the Alkalai Metals
Why are the elements of fluorine chlorine bromine and iodine grouped together?
Have the same properties
What scientific skill was used when scientist grouped chlorine the other natural elements?
how did making models contibute to understanding of chlorine as a disinfectant
How are elements grouped?
they are grouped by the number of valence electrons.
How are elements grouped into periods?
there are grouped in clomesand rows ad groups
What are elements on the periodic table are grouped based on?
Group are based on similar properties. The elements having same chemical properties are grouped together.
What is one way scientists have grouped elements?
the Periodic Table of elements
What element is not grouped with other elements?
hydrogen
Why are the elements grouped together in periods and groups?
Because they are!
What are tungsten mercury and chromium grouped as?
Transition elements
Who grouped the elements into sets of three?
Dmitri Mendeleev
How elements are grouped in columns in the periodic table?
There are 18 groups in the Periodic Table of elements.
What elements can be classified by arranging them it groups?
they are grouped by there collums
How are representative elements grouped?
The representative elements, or main group elements, consist of all elements in the table's "s" and "p" blocks, excluding the noble gases. They are grouped into alkali metals, alkaline earth metals and post-transitional metals.
What element is not grouped with others in a familywhat is its usual atomoc structure?
The metal that is not grouped in the family with others is sex and rape. Those are the elements that are not grouped because of hot sexy bitchs
