Calculate the number of electrons, protons, and neutrons for the metal Potassium, K. How do we know Potassium is a metal?

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Earth's axis of rotation is tilted at an angle of 23.5 degrees. what is one change you would see on earth if its axis was not tilted?