What is the shape of a p-orbital? A. a sphere B. a dumbbell C. a cloverleaf D. a ring

What is the shape of a p-orbital?

A. a sphere

B. a dumbbell

C. a cloverleaf

D. a ring

What’s wrong with this picture of a ground state Carbon atom?

B. Pauli’s Principle is violated

C. Heisenberg’s principle is violated

D. The auf bau principle is violated

A. Hund’s Rule is violated

In which one of the following are the ions arranged from smallest to largest?

A. B+3, Li+1, K+1, Br-1, Se-2

B. B+3, Li+1, Br-1, Se-2, K+1

C. Li+1, B+3, K+1, Se-2, Br-1

D. Li+1, B+3, K+1, Br-1, Se-2

What is the probability of finding an electron in an s-orbital?

A. 100%

B. 95%

C. 90%

D. 85%

What process is illustrated in the following picture?

B. Emission of a photon

C. Production of a photon

D. Quantization of a photon

A. Absorption of a photon

h

How is the principle quantum number used to describe electrons?

B. it describes the shape of the orbital

C. it describes the electron spin

D. it describes the energy level of the electron

A. it describes electron position

What kind of atom has the following electron configuration?1s2 2s2 2p4 3s1

B. Excited state F atom

C. Excited state Na atom

D. Ground state S atom

A. Ground state Na atom

Which ‘dead guy’ would have a problem with this picture?

B. Heisenburg

C. Hund

D. Pauli

A. Schrödinger

What is the electron dot structure of most of the noble gases?

A. X

B. X

C. X

D. X

What is the electron dot structure of the exception? He

Which ‘dead guy’ would have a problem with this picture?

B. Heisenburg

C. Hund

D. Pauli

A. Schrödinger

Which element has an electron configuration of 5s2 4d10 5p1?

A. Y

B. In

C. La

D. Tl

What increases as wavelength decreases?

A. amplitude

B. energy

C. intensity

D. color

What is the shape of an s-orbital?

A. a sphere

B. a dumbbell

C. a cloverleaf

D. a ring

What is the electron dot structure of the halogens?

A. X

B. X

C. X

D. X

What is the electron dot structure of the alkali metals?

A. X

B. X

C. X

D. X

Which elements have the electron dot structure of X ?

A. halogens

B. Transition metals

C. Alkali metals

D. Alkaline earth metals

Which element has an electron configuration of 6s26p3?

A. phosphorus

B. arsenic

C. antimony

D. bismuth

Which equation would you use to find the energy of a photon given its wavelength?

A. E = h

B. E = hc/

C. E = mc2

D. E = h

Heisenberg’s Uncertainty Principle states that it is impossible to know simultaneously:

A. The location and mass of an electron

B. The energy and velocity of an electron

C. The position and orbital of an electron.

D. The location and energy of an electron

Which scientist developed the quantum mechanical model of the electron?

A. Albert Einstein

B. Erwin Schrödinger

C. Werner Heisenberg

D. Max Planck

Which equation would you use to find the energy of a photon given its frequency?

A. E = h

B. E = hc/

C. E = mc2

D. E = h

What increases as frequency decreases?

A. amplitude

B. energy

C. intensity

D. wavelength

What is the equation that converts between wavelength and frequency? c =

What is the shape of a d-orbital?

A. a sphere

B. a dumbbell

C. a cloverleaf

D. a ring

Which scientist explained the photoelectric effect?

A. Albert Einstein

B. Erwin Schrödinger

C. Werner Heisenberg

D. Max Planck

How many electrons can be placed into s, p, d, and f orbitals?

A. 1, 2, 3, 4

B. 2, 4, 6, 8

C. 1, 3, 5, 7

D. 2, 6, 10, 14

What is the electron dot structure of the alkaline earth metals?

A. X

B. X

C. X

D. X

Ionization energies tend to

A. Decrease from the bottom of a group to the top

B. Decrease from left to right across a period.

C. Increase from left to right across a period

D. Increase from the top of a group to the bottom.

What is the trend in ionic radii as you move from top to bottom in a group?

A. Remains the same

B. Decreases

C. Increases

D. Varies randomly