Round 19.432 to the nearest whole

The nearest whole number is 20.

19

Step-by-step explanation:

if the number was 19.5 or later up to 20  then the answer would have been 20

but your number was 19.432 which is less then 19.5 so the your answer is 19.

answer: i guess 105 degrees?

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.