Mole concept- to find isotopic formula

Atomic mass = protons + neutrons = 17 + 20 = 37Atomic number = protons = 17Isotopic formula of the element = 17X37In summary, 1 mole of the diatomic element X2 contains 34 moles of electrons and 40 moles of neutrons, and its isotopic formula is 17X37.
  • #1
xiphoid
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1mole of diatomic element X2 contains 34 and 40 moles of electrons and neutrons respectively, the isoptopic formula of the element is?

Homework Statement


1mole of diatomic element X2 contains 34 and 40 moles of electrons and neutrons respectively

Homework Equations


all the basic ones!

The Attempt at a Solution


The answer from my point of view should be 17X37
 
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  • #2


Looks good.
 
  • #3


I am assuming that the isotopic formula of the element asks you for that notation where you display both the atomic mass (protons + neutrons) and atomic number (protons).

Something like 1H1

Then, let's start from the beginning.

34 moles of electrons in X2 = 17 electrons in one atom.
Similarly, 20 neutrons in one atom.

-------------------

With this in mind, what will be the atomic mass? What will be the atomic number?
 

1. What is the mole concept?

The mole concept is a unit of measurement used in chemistry to quantify the amount of a substance. One mole is equal to 6.022 x 10^23 particles, which is known as Avogadro's number.

2. How do you find the isotopic formula using the mole concept?

To find the isotopic formula, you first need to determine the number of moles of each element present in the compound. Then, divide the number of moles by the total number of moles to get the mole ratio. Finally, use the mole ratio to write the isotopic formula.

3. Can the mole concept be used to find the isotopic formula of any compound?

Yes, the mole concept can be used to find the isotopic formula of any compound as long as the number of moles of each element is known.

4. What is the significance of finding the isotopic formula using the mole concept?

Finding the isotopic formula allows us to understand the composition of a compound and the ratio of each element present. This information is important in determining the properties and behavior of the compound.

5. How does the mole concept relate to atomic mass and molar mass?

The mole concept is closely related to atomic mass and molar mass. One mole of any element or compound has a mass equal to its atomic or molar mass in grams. This relationship allows us to convert between moles and grams in chemical calculations.

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