This is an area of aligned magnetic atoms. Many of these together make up a magnet.

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2

Explain the difference in reactivity of the elements based on their electron configurations.

Which of the following describe possible scenarios? a) an object has zero instantaneous velocity and non-zero acceleration. b) an object has negative acceleration and is speeding up. c) an object has positive acceleration and constant velocity. d) an object has positive velocity and zero acceleration. e) an object has increasing positive position and negative velocity. f) an object has decreasing positive position and negative acceleration.