Why are units of measurement useful?
a) to complete the sl system
b) to make comparing amounts easier
c) to allow scientists to do experiments
d) to design better tools such as stopwatches

What neutral atom is isoelectronic to mn+4

Select the atomic models that belong to the same 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.