Nelson is selling his photographs at an art festival the festival is open for 6 hours each day for 3 days at the conclusion of the festival Nelson has sold 54 photographs determine the number of photographs Nelson sold per hour.

3

Step-by-step explanation:

Since he sold for 6 hours over the course of 3 days. Convert that to 18 hours total selling time. divide the amount sold by the hours and there is your answer.

ur mom

step-by-step explanation:

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.