The electron configuration of calcium is
a. 1s22s22p23s23p34s2.
b. 1s22s22p103s23p4.
c. 1s22s23s23p63d8.
d. 1s22s22p63s23p64s2.

What is the value of keq for the reaction expressed in scientific notation?

Which process results in the release of energy stored in the products of photosynthesis? a. polymer synthesis b. depolymerization c. digestion d. cellular respiration

Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)