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O Which two elements will be the most alike and why? a. Helium (He) and Hydrogen (H) b. Oxygen (O) and Neon (Ne) c. Lithium (Li) and Sodium (Na)

O Which two elements will be the most alike and why? a. Helium (He) and Hydrogen (H) b. Oxygen (O) and Neon (Ne) c. Lithium (Li) and Sodium (Na)
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O Which two elements will be the most alike and why?

a. Helium (He) and Hydrogen (H) b. Oxygen (O) and Neon (Ne) c. Lithium (Li) and Sodium (Na)

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User Jeff Burka
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2 Answers

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LITHIUM AND SODIUM BECAUSE THEY ARE BOTH METALS SODIUM IS AN EARTH METAL WHILE SODIUM IS AN ALKALINE EARTH METAL
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User Ozzy Walsh
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C. Because they are in the same group, so they have the same number of valence (outer) electrons
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User Avel
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