1. What is the molar mass of sodium chloride?
2. In an ionic reaction between sulfate and calcium, the ratio of calcium to sulfate ions is what?
3. In balanced equation involving photosynthesis, the ratio of glucose to carbon dioxide is what?
4. In the same reaction as above, what is the ratio of oxygen to carbon dioxide?
5. One meter is equal to how many millimeters?
6. How many mm of Hg are equal to 1atm?
7. The charge of the alkaline earth metals is what?
8. How many valence electrons will elements from the halogens contain?
9. Elements from the alkali metals will combine in what ratio with the chalcogens?
10. Covalent bonding is showing what type of interaction between electrons?