I only need help with number 3- I tried inputting answers (4.5, 7.5, 1.5, 2.5, and 4.2) and these are all incorrect.

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.

Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative