QuestionJune 17, 2025

Atoms: The Building Blocks of Matter John has 1 mole of an element, but doesn't tell you what the element is. But you do know how many isotopes of the element he has. how much volume of the element he has. how many grams of the element he has. how many particles of the element he has.

Atoms: The Building Blocks of Matter John has 1 mole of an element, but doesn't tell you what the element is. But you do know how many isotopes of the element he has. how much volume of the element he has. how many grams of the element he has. how many particles of the element he has.
Atoms: The Building Blocks of Matter
John has 1 mole of an element, but doesn't tell you what the element is. But you do
know
how many isotopes of the element he has.
how much volume of the element he has.
how many grams of the element he has.
how many particles of the element he has.

Solution
4.6(188 votes)

Answer

The element can be identified using its molar mass, isotopic composition, and density. Explanation 1. Calculate the number of atoms in 1 mole Use Avogadro's number, 6.022 \times 10^{23} particles/mole, to determine the number of atoms. 2. Determine the element from mass Use the formula for molar mass: \text{Molar Mass} = \frac{\text{Mass (g)}}{\text{Moles}}. Compare with known elements' molar masses. 3. Analyze isotopes Isotopes do not affect the calculation of moles but can help identify the element if specific isotope data is available. 4. Consider volume and density Use density: \text{Density} = \frac{\text{Mass}}{\text{Volume}} to further narrow down the element by comparing with known densities.

Explanation

1. Calculate the number of atoms in 1 mole<br /> Use Avogadro's number, $6.022 \times 10^{23}$ particles/mole, to determine the number of atoms.<br />2. Determine the element from mass<br /> Use the formula for molar mass: $\text{Molar Mass} = \frac{\text{Mass (g)}}{\text{Moles}}$. Compare with known elements' molar masses.<br />3. Analyze isotopes<br /> Isotopes do not affect the calculation of moles but can help identify the element if specific isotope data is available.<br />4. Consider volume and density<br /> Use density: $\text{Density} = \frac{\text{Mass}}{\text{Volume}}$ to further narrow down the element by comparing with known densities.
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