Quantum

Question 0

Wavelength and frequency are _______ related.

Answer 0

inversely

Question 1

All __________ waves, including visible light, travel at the speed of light, or ____________ m/s.

Answer 1

electromagnetic, 3.00 * 10^8 m/s

Question 2

Atomic emission spectrum of an element

Answer 2

The set of frequencies of the electromagnetic waves emitted by atoms of the element

Question 3

The distinct wavelengths that appear on hydrogen’s emission spectra are explained by ________

Answer 3

the different energy levels of hydrogen’s electrons

Question 4

Describe the 4 quantum numbers.

Answer 4

PQN, SQN, m(sub)l, m(sub)s

Question 5

Aufbau principle

Answer 5

Electrons are added to the orbitals of lowest energy first

Question 6

Puali’s exclusion principle

Answer 6

Each orbital within a subshell can accommodate no more than two electrons and these electrons must have opposite spins

Question 7

Hund’s principle

Answer 7

When electrons occupy orbitals of equal energy, one electron enters each orbital until all the orbitals contain one electron with parallel spins

Question 8

Heisenberg’s uncertainty principle

Answer 8

You can never know the position and momentum of a particle at a given time

Question 9

Total number of electrons within a given energy level is ____

Answer 9

2n^2

Question 10

_____ notation and _____ notation follow the aufbau sequence, while ____ notation does not

Answer 10

Box, noble gas, spectroscopic

Question 11

In 1900, Planck stated that there is a concept called a quantum, which is _______

Answer 11

a minimum quantity of energy that can be emitted at any time and it exists in small, measurable packets

Question 12

After hearing Planck’s Quantum Theory, Bohr proposed that electrons maintain a __________ when they move around the nucleus.

Answer 12

energy level

Question 13

de Broglie suggested that ________

Answer 13

If electromagnetic waves can behave as particles, then moving particles can have wave properties

Question 14

Shape of s orbital

Answer 14

spherical

Question 15

Shape of p orbital

Answer 15

dumbbell shape

Question 16

Shape of d orbital

Answer 16

cloverleaf

Question 17

Shape of f orbital

Answer 17

doughnut shape

Question 18

The photoelectric effect was coined by ____

Answer 18

Einstein

Question 19

Photoelectric effect

Answer 19

When light shines on a metal, the photons collide with the electrons from the metal, ejecting these electrons

Question 20

Lyman series

Answer 20

Anything to 1 (ultraviolet)

Question 21

Balmer series

Answer 21

Anything to 2 (visible light)

Question 22

Paschen series

Answer 22

(anything to 3) high IR

Question 23

Brackett series

Answer 23

anything to 4 (mid-IR region)

Question 24

Pfund series

Answer 24

Anything to 5 (low IR region)

Question 25

Weakness of the Rydberg equation?

Answer 25

It only works for hydrogen

Question 26

List the series of spectral lines in order.

Answer 26

Balmer, Lyman, Paschen, Brackett, Pfund

Question 27

Planck's constant

Answer 27

6.63 * 10^-34

Question 28

Avogadro's number

Answer 28

6.022 * 10^23

Question 29

JW Dobereiner

Answer 29

Observed the existence of triads of similarly behaving elements

Question 30

Newlands

Answer 30

Observed that when elements were arranged according to increasing atomic mass, every eighth element had similar properties (law of octaves)

Question 31

Henry Moseley

Answer 31

Proposed Periodic Law, that properties of elements are based on atomic numbers, not atomic mass

Question 32

Azimuthal Arrangement

Answer 32

s & p blocks are group A (representative elements), d block group B (transition elements), f block (inner transition elements)

Question 35

as you move from left to right, what decreases?

Answer 35

ionic size of cations and ionic size of anions, atomic radii,

Question 36

As you move from left to right, what increases?

Answer 36

electronegativity, electron affinity, ionization energy

Question 37

What is constant as you move left and right?

Answer 37

shielding effect

Question 69

As you move down the columns of the periodic table, what decreases?

Answer 69

ionization energy, electron affinity, electronegativity

Question 70

As you move down the columns, what increases?

Answer 70

shielding effect, atomic radii, nuclear charge, ionic size