Which ion with a charge of -2 has an electron configuration of 1s22s22p6 ? Use the periodic table.

A. N3-
B. O2-
C. O
D. N

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.

Write the overall equation for the reaction for lithium battery

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.