Electrons

Calculations & Electron Info

100

This is what is responsible for the emission of light from an atom. 

Electron absorbs energy, moving to a higher energy level, then releases it as it drops back to ground state in the atom in the form of light or photons.

200

What is the frequency of an ultraviolet wave whose wavelength is 6.62 x 10^-12?

Round to three decimal places.

4.53 x 10¹⁹

300

# 3 in review

What is the energy of a wave whose frequency is 9.36 x 10²¹?

6.21 x 10^-12

400

# 8 in review

Energy level 5 can theoretically hold 50 electrons. How many electrons does it ACTUALLY hold?

(Hint: there are TWO answers -- you need both for credit!)

The same as energy level 4; 32

500

# 4 in review

What is the frequency of a wave whose energy is 1.25 x 10⁸ J? 

1.89 x 10⁴¹

Orbitals

100

Which orbital has the most energy?

f

200

#9 in review

Rearrange the following orbitals according to which are filled first to last.

4s, 1s, 2p, 3d, 2s, 3p, 3s, 4p

1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p

300

# 11 in your review

Out of the following orbitals, which is closest to the nucleus?

4s, 1s, 2p, 3d

1s

400

#12a in your review

Rewrite the statement to make it true

Each set of d orbitals can hold a maximum of 14 electrons

Each set of d orbitals can hold a maximum of 10 electrons

500

# 12 d in your review

Rewrite the following statement to make it true

All p orbitals are sphere shaped

All s orbitals are sphere shaped

OR

All p orbitals are dumbbell shaped

Orbital Rules

100

Rewrite the statement to make it true.

Every energy level contains every type of orbital: s, p, d, and f

Not every energy level contains every type of orbital

200

Rewrite the statement to make it true

Electrons fill the energy levels and orbitals from most to the least energy

Electrons fill the energy levels and orbitals from least to the most energy

300

The number "4" in the symbol 4p⁵ indicates the __________?

Energy Level

NOT period!

400

What type of atomic orbitals are present in period 3?

s and p

500

What type of atomic orbitals are present in energy level 3?

s, p, and d

Electron Configuration

100

# 20 in review

What is the position of the last electron in Krypton?

4p⁶

200

# 22 in review

What is the position of the last electron in potassium?

4s¹

300

# 25 in review

What is the position of the last electron in an Al³⁺ ion?

2p⁶

400

#29 in review

Write the electron configuration for carbon. 

If you know the abbreviation, you get double!

1s² 2s² 2p²

[He] 2s² 2p²

500

#33 in review

Write the electron configuration for Mg²⁺

If you write the abbreviated version, you get double!

1s² 2s²2p⁶

[He] 2s² 2p⁶

Random

100

# 36a from review

What makes the following electron configuration impossible?

[Xe] 6s⁴ 4f¹⁴ 5d⁸

^{The s orbital can only hold 2 electrons at the most, so it would be impossible to have 6s4}

200

#38 in review

Fill in the blanks

When the electrons ____ quantum energy, they go from their original energy level, called the ______  ______ to a higher energy level. As the electron falls back down to where it started, packets of energy called ________ are released.

absorb

ground states

photons

300

#47 in review

Which wave has the highest frequency?

Gamma/Cosmic

400

# 10 on review

Which of the following orbitals would be filled last? 

 3d, 4s, 3p, 3s, 4p

4p

500

#31 in review

Write the electron configuration for Nickel. 

If you write the abbreviated form, you get double points!

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d⁸

[Ar] 4s² 3d⁸