The element that has a valence configuration of 2s2 is _______

Author Question: The element that has a valence configuration of 2s2 is ________. A) Be B) Mg C) Ca D) Sr E) ... (Read 65 times)

abc

Hero Member
Posts: 543

on: Aug 27, 2018

The element that has a valence configuration of 2s2 is ________.

A) Be
B) Mg
C) Ca
D) Sr
E) Ba

Question 2

Calculate the pH of 0.726 M anilinium hydrochloride (C6H5NH3Cl) solution in water, given that Kb for aniline is 3.83 10-4.

A) 1.78
B) 12.22
C) 5.36
D) 8.64
E) 12.42

kristenb95

Sr. Member
Posts: 318

Reply #1 on: Aug 27, 2018

Answer to Question 1

A

Answer to Question 2

C

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