The atom with 69 neutrons and 50 protons has a mass number of

What are minerals called that carry a positive or negative charge and must be carefully balanced for the body to function in a healthy state?

Members of a species can mate with each other and produce gene pools. O B . fertile offspring. O C. variations. o D. adaptations.

What is the smallest particle?

If an atom with a high electronegativity value bonds with an atom with a low electronegativity value, what impact does the difference in electronegativity value have on the bond?

If the pressure of 125 l of gas is changed from 2.52 atm to 1.50 atm the new volume will be

You are given a clear solution of KNO3. Using 3-4 sentences explain how you would determine if the solution is unsaturated, saturated, or supersaturated

Which element combination (s) would result in electrons being shared? [] sodium (Na) and oxygen (O) [] carbon (C) and fluorine (F) [] oxygen (O) and hydrogen (H) [] aluminum (Al) and chlorine (Cl)

If you start with 4 moles of iron and 3 moles of oxygen to produce iron oxide, what is the limiting reagent? (You will need to balance the equation first.) Fe + O2 - > Fe2O3

Is burning wood a physical change

A gas is located inside a closed container. if the gas is allowed to occupy more volume inside the container, what will happen to the pressure? (note: there is no gas added to the container.)