Equilibre l'equation:

calcium + oxygène = oxyde de calcium

Carbohydrates are polymers of what monomer?

What is the mutation caused by the addition of a nucleotide to an already existing gene sequence called? A. deletion B. duplication C. insertion D. inversion

On Venus, the atmospheric pressure is 2700 mmHg and nitrogen gas makes up 3.0% of the atmosphere. What is the partial pressure of nitrogen on Venus? ___ mmHg

Describe the orbital diagram of an atom with 16 electrons. Explain how this orbital diagram demonstrates Hund's rule.

Household baking soda has the chemical formula NaHCO 3. Name the elements in baking soda. Use the Periodic Table (given in last lesson) if necessary: chlorine nitrogen hydrogen helium carbon oxygen sodium

Match the factors which affect the rate of dissolving/dissociation/diffusion.

How would the equilibrium of an exothermic reaction at 25°c be affected if the temperature of the system were reduced? (hint: apply le chatelier's principle) ?

Which is the most practical argument for the continued funding of space exploration? a) Space exploration will one day show whether life exists on other planets in star systems similar to ours.

33 protons 36 electrons 45 neutrons

The periodic table includes all of the known elements in the world. how are elements arranged on the periodic table?