Chapters 4-9

Question 1

What particles are found in the nucleus of an atom?

Answer 1

Protons and neutrons

Question 2

The atomic number of an element is the total number of which particles in the nucleus?

Answer 2

Protons

Question 3

What does the number 84 in the name krypton-84 represent?

Answer 3

The mass number

Question 4

What is the mass number made of?

Answer 4

Protons+neutrons

Question 5

How does the energy of an electron change when the electron moves closer to the nucleus?

Answer 5

It decreases

Question 6

The principal quantum number indicates what property of an electron?

Answer 6

Energy level

Question 7

How many energy sub levels are in the second principle energy level?

Answer 7

2

Question 8

What is the maximum number of F orbitals in any single energy level in an atom?

Answer 8

7

Question 9

What is the maximum number of D orbitals in a principal energy level?

Answer 9

5

Question 10

What is the maximum number of orbitals in the P sub level?

Answer 10

3

Question 11

What is the maximum number of electrons in the second principal energy level?

Answer 11

8

Question 12

When an electron moves from a lower to a higher energy level, the electron

Answer 12

Absorbs a quantum of energy

Question 13

The shape of an electron cloud is determined by the electron’s

Answer 13

Energy sub level

Question 14

The letter p in the symbol 4p^3 indicates the

Answer 14

Orbital shape

Question 15

What types of atomic orbitals are in the third principal energy level?

Answer 15

S, P, and D only

Question 16

Aufbau principal

Answer 16

Electrons enter orbitals of lowest energy first

Question 17

How does the speed of visible light compare with the speed of gamma rays?

Answer 17

Speed of gamma ray’s is greater

Question 18

Which color of visible light has the shortest wavelength?

Answer 18

Violet

Question 19

Which electromagnetic wave has the highest frequency?

Answer 19

Gamma rays

Question 20

Emission of light from an atom occurs when an electron

Answer 20

Drops from a higher to a lower energy level

Question 21

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit

Answer 21

Increase

Question 22

Which variable is directly proportional to frequency?

Answer 22

Energy

Question 23

Bohr’s model could only explain spectra of which type of atoms?

Answer 23

Single atoms with one electron

Question 24

Each period(row) in the periodic table corresponds to a

Answer 24

Principal energy level

Question 25

How does atomic radius change from top to bottom in a group(column) in the periodic table?

Answer 25

It tends to increase

Question 26

Electrons

Answer 26

Mass: 0amu Charge: -1

Question 27

Protons

Answer 27

Mass: 1amu Charge: +1

Question 28

Neutrons

Answer 28

Mass: 1amu Charge: 0

Question 29

What is the atomic mass?

Answer 29

Weighted average of all isotopes

Question 30

4 quantum numbers

Answer 30

n L mL mS

Question 31

N

Answer 31

Principle quantum number Energy level Any integer above 0

Question 32

L

Answer 32

Shape Subshell 0

Question 33

L=0

Answer 33

S

Question 34

L=1

Answer 34

P

Question 35

L=2

Answer 35

D

Question 36

L=3

Answer 36

F

Question 37

mL

Answer 37

Orbital Can hold 2 electrons -L

Question 38

mS

Answer 38

Spin No 2 identification electrons mS=-1/2, +1/2

Question 39

Frequency

Answer 39

ν | Cycles/seconds

Question 40

Wavelength

Answer 40

λ

Question 41

Unit of energy

Answer 41

Joules

Question 42

Energy

Answer 42

E=hν

Question 43

Frequency

Answer 43

ν=c/λ

Question 44

Cation

Answer 44

+

Question 45

Anion

Answer 45

-

Question 46

Atomic size/radius

Answer 46

Increases downward and from right to left

Question 47

Ionization energy

Answer 47

Energy required to steal an electron from that atom | Increases from bottom to top, left to right

Question 48

Electronegativity

Answer 48

How much it wants to steal an electron | Increases from top to bottom, left to right

Question 49

Ionic compounds are usually in what state?

Answer 49

Gas

Question 50

What particles are free to drift in particles?

Answer 50

Electrons

Question 51

What characteristic of metals make them good electrical conductors?

Answer 51

They have mobile valence electrons

Question 52

What information does a molecular formula provide?

Answer 52

Number and kind of atoms present in a molecule

Question 53

What is shown by the structural formula of a molecule?

Answer 53

The arrangement of bonded atoms

Question 54

The chemical formula of an ionic compound shows

Answer 54

The lowest whole-number ratio between ions in the ionic compound

Question 55

What is thought to cause dispersion forces?

Answer 55

Motion of electrons

Question 56

Which of the forces of molecular attraction is the weakest?

Answer 56

Dispersion

Question 57

What type of ions have name sending in -ide?

Answer 57

Only anions

Question 58

Sulfur hexafluoride is an example of a

Answer 58

Binary compound

Question 59

Binary molecular compounds are made of two

Answer 59

Nonmetallic elements

Question 60

Diatomic elements

Answer 60

Hon halogens

Question 61

Steric number

Answer 61

Number of things it's bonded to + lone pairs

Question 62

Covalent bonds

Answer 62

Have prefixes

Question 63

Ate

Answer 63

ic acid

Question 64

ite

Answer 64

ous acid

Question 65

ide

Answer 65

hydro- -ic acid