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How can you identify an element from other elements?
You can identify an element by its atomic number, which is unique to each element. Elements are also distinguished by their physical and chemical properties, such as color, density, melting point, and reactivity. The arrangement of electrons in an element's atomic structure is another key factor in identifying elements.
Why can you use density to identify an element?
Density is a physical property that is unique to each element and can be used to identify it. By measuring the density of a substance and comparing it to known values in the periodic table, you can determine the most likely element present.
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!
If an isotope has 17 neutrons and an atomic mass of 32. What is the name of this element?
To identify the element, we subtract the number of neutrons (17) from the atomic mass (32). This gives us the number of protons, which is 15. The element with 15 protons is phosphorus, so the isotope in question is phosphorus-32.
Does the number of protons identify an atom as a specific element?
Yes.
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
What is the purpose of the atomic symbol?
To simple identify a chemical element, avoiding the writing of the whole name.
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 the name for someone who is a scribe for mathematical formulae?
its something can help u what not to do
Why 0 factorial is assumed to be 1?
That is related with the fact that 1 is the identity element (or neutral element) of multiplication - and factorials are defined as multiplications. Defining 0 factorial thus simplifies several formulae.
Identify stannous flouride as element or compound?
Stannous fluoride is a compound, not an element. It is composed of stannous ions (Sn2+) and fluoride ions (F-).
How can you identify an element from other elements?
You can identify an element by its atomic number, which is unique to each element. Elements are also distinguished by their physical and chemical properties, such as color, density, melting point, and reactivity. The arrangement of electrons in an element's atomic structure is another key factor in identifying elements.
What is another name for a pure substance?
The terms element and compound are used to identify pure substances.
How would you identify an acid from its name or formula?
DERIVING ACID'S NAME FROM FORMULAIn order to name an acid when given the formula, follow these steps:1. Identify the anion. This can be done by removing or separating the hydrogen(s) from the anion via writing out the equation. The number of hydrogens is = to the anion's charge.HX --> H+ + XORH+ + Anion (Cation + Anion)2. Name the acid. It is highly recommended to remember various polyatomic ions and such for this step. Since acids are named based on the anion, follow the guidelines below:Anion ends with "-ide": place the prefix "hydro-" in front of the element name. Replace "-ide" with "-ic acid".Hydro-element name-ic acidAnion ends with "-ate": replace "-ate" with "-ic acid".Element name-ic acidAnion ends with "-ite": replace "-ide" with "-ous acid".Element name-ous acid**NOTE: If the anion involves sulfur or phosphorus, changes to the stem name will be made. Add "-ur" to the stem name if there is sulfur, or "-or" if there is phosphorus.**SulfurAnion ends with "-ide": hydro-element name-uric acidAnion ends with "-ate": element name-uric acidAnion ends with "-ite": element name-urous acidPhosphorusAnion ends with "-ide": hydro-element name-oric acidAnion ends with "-ate": element name-oric acidAnion ends with "-ite": element name-orous acidDERIVING FORMULA FROM ACID NAMEIn order to identify the formula from the acid's name, follow these steps:1. Identify the anion. This can be done by adjusting the name via removal of suffixes and prefixes (if applicable).Anion starts with "hydro-", ends with "-ic acid": drop prefix and replace "-ic acid" with "ide.Element name-ideAnion ends with "-ic acid": replace "-ic acid" with "-ate".Element name-ateAnion ends with -ous acid": replace "-ous acid" with "-ite".Element name-ite**NOTE: If there is sulfur or phosphorus in the anion, also remove the "-ur" (sulfur) or the "-or" (phosphorus) in the ending when identifying the anion.2. Identify the formula. Now that the anion has been identified, we can create the formula. Add cation H+ to the equation (the number of hydrogens is equal to the anion's charge). It is recommended to remember various polyatomic ions for this step.Cation + AnionH+ + AnionORH+ + X-n--> HX
What are the uses of conventional formulae?
What are the conventional formulae?
How do you indentify an element?
You can identify an element at an atomic level by the amount of protons, electrons and neutrons are in one of it's atoms. To do this you would need an electron microscope. You can also test for things like electrical conductivity and magnetism.
