The answer is C because you have to find acceleration.
The metalloids are mostly concentrated in groups 14, 15, and 16. (Some simpler charts will show them as 4A, 5A, and 6A - take a look at the top of the periodic table your class uses to double-check).
If you like my answer, please vote me a 'brainliest' - trying to improve my rank :-)
Answer:
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Explanation:
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Lose electrons - electrons want to fill their outer valence shell, so sometimes instead of gaining it is easier to lose some and have a filled outer shell
