Which of the following electronic configura- tions violates the Aufbau principle in creating a ground state electronic configuration? 1. [Ne] 3s2 2. [Ne] 3s23p2 3. [Ne] 3s23p4 4. [Ne] 3s13p4 5. [Ne]

Which of the following is a property of an acid solution? a. slippery to the touch b. ph less than 7 c. turns red litmus paper blue d. bitter taste

Aecosystem is if it can continue to function over long periods of time

Which of these statements describes the size of an atom? a. an atom is larger than a sheet of aluminum foil. b. an atom is small but can be seen with just our eyes. c. an atom is the size of a plastic building block. d. an atom is tiny and cannot be seen without magnification.