What quantity in moles of potassium atoms do you have if you have 3.50 x 10^22 atoms of potassium.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)

Compare and contrast refraction of light and sound will give brainliest