Chlorine has valence electrons, and the effective nuclear charge, Zeff, for the chlorine atom shown is . 7; 7−

10; 7−

17; 7+

7; 7+

Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?

2. what two items do autotrophs take from the environment to produce their food? 3. what are the two items that are released during transpiration from leaves? 4. what are the two membranes of the system? a.what are the two stages of photosynthesis? what are the two parts of photosynthesis?