Alex is making puppets for a show. he bought string for$125. it costs $18 for the remaining materials needed to make each puppet. what is the total cost to make 50 puppets?

1.) what equation can you write to represent the problem?

2.) explain how to use the equation to solve the problem. then solve.

answer: i think it is (1,-2)

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.