Question: Q: Atoms of different elements can combine in simple whole number ratios to form what? Choices: - mixtures - carbon compounds - combinations - chemical compounds A:
Answer: chemical compounds

Question: Q: The density of bone is, in part, related to the amount of what mineral in one's diet? Choices: - potassium - barium - nitrogen - calcium A:
Answer: calcium

Question: Q: Electrons flow through the electrolyte from the ________ to __________ electrode. Choices: - neutral; negative - negative; neutral - positive; negative - negative; positive A:
Answer:
negative; positive