Blaine had $68 in his checking account. He tried buying a coat, but he could not make the purchase because the money in his account was $21 short of the price of the coat. How much did the coat cost?

89

Step-by-step explanation:

68 plus 21 is 89.

i think it is 70

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.