Please answer this correctly without making mistakes

99g

Step-by-step explanation:

I'm guessing on this one but maybe because a whole number has no remainder

96.2

Step-by-step explanation:

96.2 is more precise than 99.

chase is right because he already been to the swings and he know how far it will be to get there

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.