Shawna wants to ensure that she has a good income throughout her retirement. which method could she employ? she could work fewer hours each week so she will stay strong and retire later. she could start a 401k account and choose a position with matching deposits by the employer. she could save money by not attending post-secondary school or vocational training. she could ensure that she doesn’t get sick by taking her vitamins each day.

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.