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How can you identify an element from other elements?
when a substance can not be chemically reduced
How do you identify an element and compound and mixture from their name and formulae?
elements are denoted by the symbol of their formula/name, only. Fe = iron, S = sulfur, no other element is involved when something is a pure element. diatomic gases, O2, N2, etc. are elements compounds have 2 or more elements in the formula mixtures are when 2 or more substances are placed together but they are not bound to each other if the compound has (aq) after the symbols, this means that the compund is in aqueous conditions and this is a solution, which is a mixture. i copied and pasted this from yahoo so please don't hate!
Why can you use density to identify an element?
density and be used to identify an element because of the types of molecules. Use D = M v
Does the number of protons identify an atom as a specific element?
Yes.
What term is used to identify a mixture that has the same composition throughout?
Element
What is the name given to this formulae O?
The element, 'Oxygen' is abbreviated to 'O'.
What do the initials in an atom mean?
Every Element that has been discovered has a name. That name is listed on the Periodic Table of Chemistry. The Initial of any element is the shorthanded way that element is described in chemical formulae on what reacts with what, what happens when they react, and what you left with after they react
Identify stannous flouride as element or compound?
It is a compound of tin and fluorine (if it has two parts to its name or ends in -ide, it is not an element).
How can you identify an element from other elements?
when a substance can not be chemically reduced
What is the purpose of the atomic symbol?
To simple identify a chemical element, avoiding the writing of the whole name.
When might it be helpful to identify an unknown element?
It is helpful to identify an unknown element when you are exposed to a lot of it. This element could be very dangerous to you.
How do you identify an element and compound and mixture from their name and formulae?
elements are denoted by the symbol of their formula/name, only. Fe = iron, S = sulfur, no other element is involved when something is a pure element. diatomic gases, O2, N2, etc. are elements compounds have 2 or more elements in the formula mixtures are when 2 or more substances are placed together but they are not bound to each other if the compound has (aq) after the symbols, this means that the compund is in aqueous conditions and this is a solution, which is a mixture. i copied and pasted this from yahoo so please don't hate!
Is feldspar a compound or an element?
They are compounds - three examples of their chemical formulae are... KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
What number identify an element?
The atomic number of an element is equal to the number of protons in the nucleus of that element; it will identify the element. The number of neutrons of a given element may be different as the element may have a number of isotopes.
What is another name for a pure substance?
The terms element and compound are used to identify pure substances.
Why a spectrum of an element is called fingerprint?
That's because it can be used to clearly identify an element; just as fingerprints can be used to identify a person.
Can you name 10 names of salts with formulae?
common salt ,
