Which element has the least metallic character. a) silicon b) sodium c) krypton d) potassium

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Anybody wanna ? (picture included? )

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!