The atomic number of krypton (kr) is 36, and its mass number is 84. how many neutrons does it have? 18 36 48 72

It has been two weeks since charles met with daniel, a dietitian, who provided charles with a menu for weight loss. charles and his mother are going back to see daniel again with a chart of the food charles has eaten. the following lists what charles ate in one day: breakfast 1 banana, 1 cup of nonfat milk, 1 egg lunch 1 cup of carrots, 3 oz of steak, 1 apple, 1 cup of nonfat milk dinner 6 oz of skinless chicken, 1 baked potato, 3 oz of broccoli, 1 cup of nonfat milk

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)