What mass to the nearest tenth of a gram, is needed to balance this chemical reaction equation?
16AI
+
35
-
8AIS
8
2 3
+
7.4 g
24.5 g
24.5 g
o
17.1 g
131.99
None of the above

Compare and contrast the bohr model and the electron cloud models of the atom.

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.