The element oxygen has three occurring isotopes, with 8,9,10 neutrons in the nucleus, respectively. Write the full chemical symbols for these three isotopes.

Fill in the coefficients that will balance the following reaction: a0SnSO4 + a1KBr → a2SnBr2 + a3K2SO4

A sample of C3H8 has 6.72 x 10^24 H atoms. What is the total mass of the sample?

How many grams are in 4.40 mol of sodium chloride (NaCl) ?

Copper, silver, and gold are transition metals that fall into the same group on the periodic table. From the following list, identify those metals that cannot be oxidized by cations of all three of these metals from group 11.

How many valence electrons does holmium have?

Is this statement true or false? Bases feel slippery. A. True B. False

why blue intensity of copper (2) sulphate will decrease in a voltaic cell with zinc electrode in zinc sulphate solution and copper 2sulphate solution with copper electrode in it (with salt bridge)

What is the charge for MnO4

What makes up a rock

What are two ways to improve an experiment