What particle (s) give an atom its mass number?

Based on this reaction, find how many moles of co can be obtained starting with 7 mol ch4?

42. What is the source of the electric current produced by a voltaic cell? a spontaneous oxidation-reduction reaction competing salt bridges non-spontaneous reduction at the cathode an imbalance of ion charges

The number of galaxies in the universe

Suppose you had 2.0158 grams of hydrogen (H2). How many moles of hydrogen do you have? How many moles of oxygen would react with this much hydrogen? What mass of oxygen would you need for this reaction? How many grams of water would you produce?

Water molecules dissociate into two charged particles called

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