Test Bank with Answers
If an atom gains three electrons to make an ion, what is the charge of that ion?
A) 3+
B) 1+
C) 2+
D) 1-
E) 3- - Answer>>E) 3-
Which species below is the sulfate ion?
A) CN-
B) SO42- C) OH-
D) SO32-
E) None of the above - Answer>>B) SO42-
How many protons does the Br- ion possess? A) 34
B) 36
C) 6
D) 8
E) 35 - Answer>>E) 35
Which of the following is correct? A) v + lambda = c
B) v / lambda = c
C) v = c(lambda) D) lambda = c(v)
E) v(lambda) = c - Answer>>E) v(lambda) = c
In the Bohr model of the atom,_______.
A) Electrons travel in circular paths called orbitals B) Electrons can have any energy
C) Electron energies are quantized
D) Electron paths are controlled by probability
E) Both A and C - Answer>>E) Both A and C
The uncertainty principle states that ______. A) Matter and energy are really the same thing
B) It is impossible to know anything with certainty
C) It is impossible to know the exact position and momentum of an electron
D) There can only be one uncertain digit in a reported number
E) It is impossible to know how many electrons there are in an Atom - Answer>>C) It is impossible to know the exact position and momentum of an electron
All of the following are a result from the solution of the Schrodinger equation except _______.
A.) spin
B.) Principal
C.) Azimuthal
D.) magnetic
E.) Angular momentum - Answer>>A.) Spin
For a molecule with the formula AB3, the molecular shape is ______. A.) linear, octahedral, or bent
B.) Linear, bent, or trigonal planar
C.) Linear, bent, or T- shaped
D.) Tetrahedral
E.) Trigonal planar, trigonal pyramidal , or T-shaped. - Answer>>E.) trigonal planner, Trigonal pyramidal, or T-shaped
Pauli exclusion principle - Answer>>When 2 arrows Are pointing in the same direction in the same orbital.