Lithium reacts with oxygen in a synthesis reaction. How much lithium is needed to react with 2.6 g of oxygen? A. 2.26 grams
B. 1.13 grams
C. 1.61 grams
D. 3.22 grams

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

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