Chapter 2: Electrons and the Periodic Table

Question 1

What predicts atom/ion behavior?

Answer 1

the location of the electrons

Question 2

What model first showed what causes an atom to emit only a certain wavelength of light?

Answer 2

Bohr Model

Question 3

What atom is the only atom that works with the Bohr Model of the Atom

Answer 3

hydrogen

Question 4

What is “ground level” for a Bohr atom?

Answer 4

n=1

Question 5

What is the term for an electron going from a lower energy level to a higher one?

Answer 5

absorption (excitation)

Question 6

What is the term for an electron going from a higher energy level to a lower one?

Answer 6

emission (relaxation)

Question 7

What are absorption and emission both known as?

Answer 7

electronic transfers

Question 8

With a Bohr atom, which energy level jump is the biggest?

Answer 8

n=1 to n=2

Question 9

As the “n” number increases, what happens to the amount of energy?

Answer 9

energy increases

Question 10

Electrons behave as:

Answer 10

waves

Question 11

Light behaves as a:

Answer 11

particle

Question 12

What equation is the Quantum Mechanical Model based on?

Answer 12

Schrodinger’s Equation

Question 13

What do quantum numbers tell us?

Answer 13

location, orientation, shape, and spin of an electron

Question 14

What does the principle quantum number (n) tell us?

Answer 14

the size and distance from the nucleus

Question 15

What does the angular momentum quantum number (L) tell us?

Answer 15

the shape

Question 16

What “L” number goes with each shape (S,P,D,F)?

Answer 16

S=0
P=1
D=2
F=3

Question 17

What does the magnetic quantum number (ML) tell us?

Answer 17

the orientation of the orbital in space

Question 18

What does the spin quantum number (MS) tell us?

Answer 18

the spin of the electron (either 1/2 or -1/2)

Question 19

T/F: every electron has a unique set of quantum numbers?

Answer 19

TRUE!

Question 20

What is known as the likelihood of finding an electron within any volume?

Answer 20

orbital

Question 21

What is the shape of an S oribal?

Answer 21

sphere

Question 22

What is the shape of a P orbital?

Answer 22

dumbell

Question 23

What is the shape of a D orbital?

Answer 23

clover leaf

Question 24

What is the shape of an F orbital?

Answer 24

double clover leaf

Question 25

How many electrons can be in an S orbital?

Answer 25

2

Question 26

How many electrons can be in a P orbital?

Answer 26

6

Question 27

How many electrons can be in a D orbital?

Answer 27

10

Question 28

How many electrons can be in an F orbital?

Answer 28

14

Question 29

Is F- a cation or anion?

Answer 29

anion

Question 30

Is F+ a cation or anion?

Answer 30

cation

Question 31

The ion formed by an element can be based on it's location on the:

Answer 31

periodic table

Question 32

What are valence electrons?

Answer 32

the number of electrons in the highest N level (S and P levels)

Question 33

What are core electrons?

Answer 33

the electrons found in the noble gas core of an element

Question 34

Where are the largest elements on the periodic table?

Answer 34

the bottom left corner

Question 35

T/F: electrons always want to be in the highest energy level

Answer 35

FALSE!

Question 36

As we increase period, atomic size:

Answer 36

increases

Question 37

Where are the elements with the highest amount of ionization energy located?

Answer 37

the top right corner

Question 38

All atoms want a full shell to look like a:

Answer 38

noble gas

Question 39

Where are the elements with the most metallic character located on the periodic table?

Answer 39

the bottom left corner

Question 40

T/F: half filled or completely filled D orbitals are more stable than those with one electron or less

Answer 40

TRUE!

Question 41

What is known as energy transferred in waves?

Answer 41

light

Question 42

What is a wavelength?

Answer 42

the distance between peaks on a successive wavelength

Question 43

What is frequency?

Answer 43

the number of waves passing a particular point in one second

Question 44

As wavelength increases, energy:

Answer 44

decreases

Question 45

As frequency increases, energy:

Answer 45

increases

Question 46

The shortest wavelengths are:

Answer 46

gamma

Question 47

The longest wavelengths are:

Answer 47

radio

Question 48

What is the range of (nm) representing visible light?

Answer 48

400nm-700nm

Question 49

What is a photon?

Answer 49

tiny, discrete packets of light

Question 50

What is a cation?

Answer 50

a positive (+) ion on an atom

Question 51

What is an anion?

Answer 51

a negative (-) ion of an atom