Which refers to any disturbance that carries energy from one place to another?

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?

Which of the following is not true about the atomic model of substances?

What are fossils of organisms that existed over a wide area but only for a limited time period called?