What are the formal charges of each nitrogen from left to right? [N = N = N] −a. +1, -1, -1.b. -1,+1, -1.c. -1, -1,+1.d. -2, +1, 0.

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

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