15. Which of the following statements is TRUE? An orbital is the volume in which

Question

15. Which of the following statements is TRUE? An orbital is the volume in which we are most likely to find an electron. Part of the Bohr model proposed that electrons in the hydrogen atom are located in "stationary states" or particular orbits around the nucleus. The emission spectrum of a particular element is always the same and can be used to identify the element. a. b. c. d. The uncertainty principle states that we can never know both the exact location and speed of an electron. All of the above are true. e. Place the following in order of increasing radius Sr2+BrSe2

Explanation / Answer

*In question 15 all of the statement is true

A:orbital is place where the probability of finding electron is maximum

B: in bohr model says electrons are moves around the nucleous around a circular path

C: energy level of element are fixed so we get emission unique

D: it is a principle and statement is true

So all the statemwnt true

*In 16th question as we know as we go from left to right radius decreases and also negative ion have greater radius than positive ion so the correct order is

B part is correct answer

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