droidd133 droidd133

27-03-2018
Physics

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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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Jasmin95 Jasmin95

27-03-2018

C. Because they are in the same group, so they have the same number of valence (outer) electrons

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olabido olabido

27-03-2018

LITHIUM AND SODIUM BECAUSE THEY ARE BOTH METALS SODIUM IS AN EARTH METAL WHILE SODIUM IS AN ALKALINE EARTH METAL

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