Which two units you would use to measure population density? number of people per square meter and number of molecules per liter number of molecules per liter and number of animals per acre number of people per square meter and number of animals per acre number of grams per cubic centimeter and number of molecules per liter

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

the answer is a.

step-by-step explanation:

in three games of golf, alex shot two under par four times.