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mario62 [17]
3 years ago
15

What is the variable that stays the same in an experiment

Biology
1 answer:
kirill [66]3 years ago
7 0

Any factor or trait or condition that can exist

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Lithium has 3 electrons. Why do 2 electrons go in the first shell, and one in the second?
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B

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2nd shell: 8 electrons

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4th shell: 32 electrons

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