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Shalnov [3]
3 years ago
11

In pure metals, the atoms are arranged in orderly _______ and _______

Chemistry
1 answer:
Ipatiy [6.2K]3 years ago
4 0

Answer:

Rows and columns.

Explanation:

Each atom gives up some of its electrons to create a kind of sea of these randomly moving charged particles. It's these free-flowing electrons that make metals conductive.

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The half-life of tritium is 12.3 years. If 48.0 mg of tritium is released from a nuclear power plant during the course of a mish
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Half life is defined as the time when the final concentration reduced to half of the initial value.

Thus, for first half life, the remaining percentage of the reactant is 50 percent that is \frac{50}{100}=\frac{1}{2}

Now, for second half life, the remaining  percentage will be 50 percent of the remaining 50 percentage that is \frac{50}{2}=25 \frac{25}{100}=\frac{1}{4} or \frac{1}{2^{2}}

Thus, general formula for n  half lives =\frac{1}{2^{n}}

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