Unformatted text preview: Physical (many possibilities): reddish-brown, melts at 14 °C, density is 0.897 g/cm 3 , poor conductor, etc. Chemical (two possibilities): burns air, reacts with chlorine. 3. (3 pts) Which of the following are NOT SI base units? [a] Kelvin [e] Celsius (it’s Kelvin) [b] meter [f] liter (derived units) [c] gram (it’s kilogram) [g] second [d] kilogram [h] mole 4. (3 pts) Give the number of significant figures for each number. [a] 1.3004 × 10 2 dg [b] 4.0 cL [c] 0.0003024 km 5 sig figs 2 sig figs 4 sig figs 5. (4 pts) One hundred centileters (cL) equal one liter (L). Ten deciliters (dL) equal one Liter (L). How many dL are in 3.04 cL? 304 1 100 10 1 0 304 . . cL L cL dL L dL × × = 6. (1 pt) What element has the chemical symbol O? Oxygen...
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- Fall '10
- Chemistry, SI base unit, General Conference on Weights and Measures, International System of Units, Kilogram, Chemical substance