What is the percent of .5 like the fraction is 4/8 the decimal is .5 but I need the percent, someone help me please

50%

Step-by-step explanation:

4/8 is reduced to 1/2, meaning 1/2 of 100, and 1/2 of 100 is 50.

i believe the answer is letter c) 8

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.