Match the compound with the correct element contained within it. Question 1 options: Copper Zinc

Magnesium

Iron

Carbon,

hydrogen, nitrogen, oxygen, phosphorus, and calcium.

Cobalt

1. Chlorophyll 2. Hemoglobin 3. 300 enzymes 4. 30 enzymes 5. Vitamin B12 6. Organic compounds such as carbohydrates, lipids, proteins, and nucleic acids.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)