Suppose that a different student obtained reaction rates for the particle-size experiment, and that
these rates did not show a pattern. Check all
possible sources of this error.

What happens to isotopes that are unstable?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false

How many grams of mgbr2 are needed to produce 75g or metal?