An atom that has 13 protons and 15 neutrons is an isotope of the element

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

Do polar molecules have ionic bonds?

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral