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The mass number would be different for different isotopes of the same element.

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Q: Which of the two numbers in each symbol might be different for a different atom of the same element?
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What is the symbol for the element of turquoise?

Since turquoise is a mineral rather than an element it does not have a symbol as a chemical element. If you wish more information about it you might look at its page on wikipedia.


What element is represented by Sp?

Sp is not a symbol for a chemical element.


Why are symbols different in the periodic table from what you might expect?

latinIf the letters of the chemical symbol do not line up with the English word, it is probably because the symbol refers to the latin name for the element. Some examples are Fe for iron and Pb for lead.


What is the small written beneath an element symbol called?

I assume you mean the small numbers written under the letters that are the element symbol. The one on the bottom left is the "Atomic Number" and is the number of Protons in the nueclus of the atom, this is what makes an element unique. 1H indicates that Hydrogen has only one proton and is "Atomic Number" one, these numbers are not normally written in unless it's relevent to whatever is being discussed. If the symbol is in a formula for a more complex molecule then there might be a number on the bottom right of a symbol - this is an indication of how many of this atom are in the molecule. so Water is H2O the two indicating there are two hydrogens in the structure. There are also numbers above, on the left the "Atomic Mass" being the total number of Protons and Neutrons in the element. Top right being the "Charge" if any (this would make it an Ion)


What do you call the little number after the atomic symbol?

In the periodic table, numbers are not usually placed AFTER the symbol, but to the left and above and below. However, if the number appears AFTER the symbol, it usually tells you the atomic mass of the element. An example might be C-12 which refers to the isotope of carbon that has 12 protons and 12 electrons, and has an atomic mass of 12 amu.


Do Eletrically neutral element have equal numbers of electrons and neutrons?

Electrically neutral elements have equal numbers of electrons and protons. A stable element has equal numbers of protons and neutrons. Thus, the answer to the question ''Do Eletrically neutral element have equal numbers of electrons and neutrons?'' depends on the stability of the element i.e. if stable then yes and if unstable than might not.


Is silicon a compound or an element?

Silicon is an element. Its atomic number is 14 and its symbol is Si .Silicon is an element. (However, silicone... note the final e... is a category of silicon-containing compounds, which might be the source of the confusion.)


What do the numbers listed for an element on the periodic table represent?

WHICH numbers? The most prominent one is probably the average atomic mass, but it might be the atomic number.


You might find numbers and the symbol A on a label near wiring in machinery What does it probably mean?

the intensity of the current in the wires


What does this chemical symbol mean CxHy?

CxHy is the general chemical formula of a hydrocarbon: This is an organic compound consisting entirely of hydrogen and carbon.Alkanes, alkenes, cycloalkanes, alkyne-based compounds and aromatic hydrocarbons (arenes) are different types of hydrocarbons


What is the element symbol?

There is no symbol for "element", other than using a placeholder. For example, if you want to refer to the oxides of group II metals, you might use the generic formula "MO." Some common placeholders are M and X for a generic metal and nonmetal (especially a halogen) respectively. A and B are also pretty common for any kind of generic element.


Is there a element tn in the periodic table?

There is no element with the symbol "tn" in the periodic table. The periodic table consists of 118 known elements, each with its own unique symbol.