If an atom has an atomic number of 15 and an atomic mass of 31, how many protons, neutrons and electrons does the atom contain?

A type of immunity in which antibodies are given to an individual rather than produced by the body is called

The charge of a beryllium-9 nucleus is

What distinguishes an independent variable from a dependent variable!

What best describes earths mantle

Which of the following statements regarding glucose is FALSE? a) Glucose is the main component of starch and glycogen. b) Glucose is also called blood sugar. c) Glucose is the most common disaccharide in our diet.

If this fossil is 65 million years old, what could this fossil suggest about organisms alive today? A. If it is similar to any two modern species, it could be a common ancestor of these species. B.

A compound composed of electrically chargerd atoms is called?

If 5.0mL of HC2H30 require 4.96mL of 0.9581 M NaOH to just consume the HC2H302, what is the concentration of the HC2H3O2? If necessary, show the calculation on a separate sheet of paper, scan, and submit with your lab report.

How many formula units of CaSO4 are in 17g of CaSO4?

Which of these would be an appropriate way to describe the concentration of orange candies? Check all that apply the number of orange candies divided by total number of candies the mass of orange candies divided by total mass of candies the volume