Callum is playing a game in which he draws cards out of a standard 52-deck. If he draws an odd number, he awards himdelf 2 points. If he draws an even number, he awards himself 3 points. If he draws a face card (jack, queen, king, or ace) he awards himself 4 points. Let the random vriable x represent the total number of points awarded on any draw from the deck. What is the expected value of x

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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.