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Why is halogen elements not useful?
This question is based on chemistry. Halogens are useful elements. There are 5 halogens in the world.
Are all elements useful?
Ofc
Which elements have no useful purposes at all?
All elements have a useful purpose, including the synthetic actinides that have half-lives measured in milliseconds.
What are the elements very useful for ahotosynthesis?
sulfur-trioxide,gas and water
Why are symbols useful to us?
Answer : Symbols are used to represent elements, because it helps you recognize what the elements are just by seeing the symbol.
Why was Mendeleev's periodic table was useful?
Because it organized all of the existing elements and helped scientist discover more elements.
What are the different useful elements and compounds?
All are to someone, somewhere at some time.
What is the most useful source of general information about the elements in chemistry?
periodic table
What are some examples of where it might be useful to classify elements?
Classifying elements can be useful in various fields such as chemistry to group elements based on their properties and behaviors, in biology to categorize organisms into different taxonomic groups, and in library science to organize books based on subject matter for easier access.
Why was the study of line spectra useful in the discovery of new elements?
The study of line spectra was useful in the discovery of new elements because each element has a unique line spectrum that can help identify and distinguish it from others. By examining the line spectra of unknown substances, scientists could match their patterns with known elements, revealing the presence of new elements with distinct spectral signatures. This technique played a crucial role in the discovery and characterization of many new elements in the periodic table.
What are the three examples of useful elements that are extracted from earth's surface?
-gold -iron -copper
Why is density a useful tool in chemistry?
Density helps to identify the elements on the pedriatic table
