How many electrons do the elements of the most stable group have in their outer energy levels? a. 1 c. 12 b. 4 d. 8

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

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