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Which of the following is true about an atom of lithium and an atom of helium

User PArt
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2 Answers

3 votes

Answer:

C.

Step-by-step explanation:

User Torrho
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7 votes

Answer:

c

Step-by-step explanation:

they have different numbers of protons (you can see this on the periodic table becasue they have different atomic numbers)

User Krlmlr
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