1s 2s 2p 3s 3p
determine what elements are denoted by the following electron configurations

How many atoms of oxygen are contained in 160 grams of n2o3

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.

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.