What is a observation?

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. the only problem is that you do not know what element will form. by your previous calculations you know that you will have 6.3 moles of product. when it is complete, you weigh it and determine you have 604.4 grams. what element have you produced?

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Answer explain why it is not possible to deduce a complete order of reactivity.