Suppose an atom has a mass number of 23. What does this mean?
2 answers:
The number of protons in the nucleus dose not equal the number of neutrons.
Vandanium, that's what 23 on the periodic table is.
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C. unbalanced is the correct answer for newton's first law.
Answer:
it will be 1/√2 of its original period.
Explanation:
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