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Which of the following are pure elements MgCl2 NaCl C3H8 Ag Al?
Pure elements are substances made up of only one type of atom. Among the options given, Ag (silver) and Al (aluminum) are pure elements. MgCl2 and NaCl are compounds made up of multiple elements bonded together, while C3H8 is a hydrocarbon molecule made up of carbon and hydrogen atoms.
What is in propane?
Propane is a pure substance, a compound with the formula C3H8
What are 3 pure elements that are mixtures?
Pure elements cannot be mixtures.
What are the pure elements on the periodic table?
All the elements from the periodic table can be obtained as pure elements.
Are all elements pure?
No, they can contain impurities.
What is the oxidation number of pure elements?
all the pure elements have zero oxidation state.....
Why are elements called pure?
because the elements are pure so I can says to element 'pure'
Is propane a pure substance or mixture?
Propane is a pure substance because it is a single compound made up of carbon and hydrogen atoms. It is a colorless and odorless gas commonly used as a fuel.
How many pure elements are there on the earth?
There are 118 known elements, but the number of pure elements found naturally on Earth is around 90.
Which term are use to identify pure substances?
Pure substance can be identified as either elements or compounds. Some examples of pure substance that are elements are sulfur and tin. Pure substances that are compounds are sugar and salt.
What is the pure substance?
Elements
What metals are elements?
All pure metals are chemical elements; alloys are not elements.
