Sodium (Na) has an atomic number of 11 and an atomic mass of 23. Which of the following correctly shows the electron arrangement for sodium?
2,9,1
2,8,2
2,9
2,8,1

What is the correct equation for cellular respiration?

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll