How many valence electrons does holmium have?

Calculate the number of mol corresponding to 2.20 g Cl2. Enter your answer in the provided box. mol Cl2

The following system is at equilibrium: X (s) + 3Y (g) ⇌Z (g) Classify each of the following actions by whether it causes a leftward shift, a rightward shift, or no shift in the direction of the net reaction. A. Add more X. B. Remove some X. C.

Vegetable oil has the density of. 92 g/mL and honey has the density of 1.42 g/mL. Which liquid will float?

Anthony is interested in seeing the atoms in a piece of fish scale. he breaks the scale into the smallest piece he can, and look at it under a microscope. is he able to see the atoms of the fish scale? A. No, there are no atoms in a fish scale. B.

1. What is an atom?

At what temperature would the volume of a gas be 0.550 L if it had a volume of 0.432 L at - 20.0 o C?

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound? A.) NiF B.) Ni3F2 C.) NiF2

Combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4. Which ions are spectator ions in the reaction?

Which kind of wave increases in height due to strong winds?

Solid lead IV oxide decomposes into solid lead and oxygen gas.