13 Zalen's school has a guessing contest going on. You must estimate the amount of gumballs in the jar. Zalen estimated that 292 gumballs were in the jer There was actually 400 gumballs in the jar. What was her percent error?

sex

Step-by-step sexplanation:

you answer is a

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.