D I believe. Correct me if I’m wrong.
Answer:
How many atoms are in 6.5 moles of zinc? 6.5 moles. 6.02 x 10. 23 atoms = 3.9 x 10. 24 ... 55.8g. 1 mole. 6. What is the mass of 0.250 moles of aluminum?
Explanation:
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3 NaOH + FeBr3 = 3 NaBr + Fe(OH)3
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Answer:
They can be dated using radioactive carbon. But for rocks older than 50 thousand years they look for layers of igneous rock or volcanic ash above and Bellow the layer of rock/fossil.
Answer:
1s2 2s2 2p6 3s2 3p6 4s2 3d 104 p6 5s2 4d 105 p2
