This is referred to as a Chemical Bond.
Answer:
what to do will I show the image
Since the price is going down, it's going to be a percent decrease. Now to find the percent, we divide the "after" price by the "before" price.
240 / 320 = 0.75 = 75%
The item had a 75% decrease.
Answer: NA and Rb and there are 20 protons in calcium!
Step-by-step explanation:
