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The theater has 1,472 seats.

Step-by-step explanation:

For further clarification, each row has 2 more seats from adding up to 15.  You should get 1,472 seats as your final answer since the last row should be at 77 seats.

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9

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.