The model below shows a carbide ion. 8 light grey and 6 dark grey balls sit at the center with 2 concentric black rings around them. the inner ring has 2 medium grey balls on it, and the outer ring has 8 medium grey balls on it. at bottom, a dark grey ball = +1, a light grey ball = 0, a medium grey ball = negative 1. what could be done to change this carbide ion to a neutral carbon atom?

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?

Select the three ways that the parallel-plate capacitor differs from a car battery.