Describe the different steps or requirements to ensure lab safety.

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+

Who discovered a pattern to the elements in 1869?

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.