Elements 1-54 Flashcards

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Verified questions

physical science

What can scientists learn about a star by studying the light it gives off?

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computer science

Cameras today can correct “red eye” problems caused when the photo flash makes eyes look red. Write pseudocode for an algorithm that can detect red eyes. Your input is a pattern of colors, such as that at right.

You are given the number of rows and columns. For any row or column number, you can query the color, which will be red, black, or something else. If you find that the center of the black pixels coincides with the center of the red pixels, you have found a red eye, and your output should be “yes”. Otherwise, your output is “no”.

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computer science

What is a transaction?

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chemistry

Name the ions with $+3$ charges that have the following electron configurations: (a) $[\mathrm{Ar}] 3 d^3$ , (b) $[\mathrm{Ar}]$ , (c) $[\mathrm{Kr}] 4 d^6$ , (d) $[\mathrm{Xe}] 4 f^{14} 5 d^6$ .