To mail a first class letter, the u. s postal service charges $.34 for the first ounce and $.21 for each additional ounce. it cost $1.18 to mail your letter. how many ounces does your letter weigh?

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.

6x = 48

i hope this . 6 cards each and a total of $48. dvide each side by 6 and you will have your answer.

step-by-step explanation:

graph using a few selected

x         y

-1       15

0         6

1         2.4

2       0.96