What could two atoms of the same element form?

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

Is laundry detergent an acid or a base?

Which suspect most likely committed the robbery and how do you know