4.55 kg has how many significant figures?

Where are lighter elements fused into elements more massive than iron?

0.450 moles of NaCl are dissolved in 95.0 mL of water. Calculate the molarity of the NaCl solution.

How many unpaired electrons would you expect for the complex ion: [fe (nh3) 6]2+?

Which of the following concerning second ionization energies is true? A. That of Al is lower than that of Mg because Mg wants to lose the second electron, thus the energy change is greater. B.

Answer the following question: Ethanol, C2H5OH, is considered clean fuel because it burns in oxygen to produce carbon dioxide and water with few trace pollutants. If 150.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda