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rjkz [21]
3 years ago
12

Why rock from earth cannot be used to determine earth age​

Chemistry
1 answer:
Reptile [31]3 years ago
5 0

Answer:So far scientists have not found a way to determine the exact age of the Earth directly from Earth rocks because Earth's oldest rocks have been recycled and destroyed by the process of plate tectonics. If there are any of Earth's primordial rocks left in their original state, they have not yet been found.

Explanation:

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. What is the mass, in grams, of a sample of 7.83 × 1024 atoms of helium (He)?
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What is a formula unit in an iconic bond
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2 years ago
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An electron has an uncertainty in its position of 471 pm .
olya-2409 [2.1K]

<u>Answer:</u>

$\Delta x . \Delta p \geq \frac{h}{4 \pi}$

∆x is the Uncertainty in the position of the particle

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$\Delta p=\frac{h}{4 \pi \times m \times \Delta x}$

$=\frac{6.626 \times 10^{-34} \mathrm{kgm}^{2} s^{-1}}{4 \times 3.14 \times 9.109 \times 10^{-31} \mathrm{kg} \times 471 \times 10^{-12} \mathrm{m}}$

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3 0
3 years ago
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