Chem Final

Question 1

as wavelength increases

Answer 1

energy decreases

Question 2

low frequency =

Answer 2

long wavelength

Question 3

speed of light=

Answer 3

frequency x wavelength

Question 4

Bohr model shows

Answer 4

nodes and orbits

Question 5

as node increases

Answer 5

energy increases

Question 6

short wavelength=

Answer 6

high energy

Question 7

s subshell has — orbitals

Answer 7

1

Question 8

p subshell has — orbitals

Answer 8

3

Question 9

d subshell has — orbitals

Answer 9

5

Question 10

f subshell has — orbitals

Answer 10

7

Question 11

s subshell can hold — electrons

Answer 11

2

Question 12

p subshell can hold — electrons

Answer 12

6

Question 13

d subshell can hold — electrons

Answer 13

10

Question 14

f subshell can hold — electrons

Answer 14

14

Question 15

pauli exclusion principle

Answer 15

each orbital can hold up to 2 electrons with opposite spins

Question 16

hund’s rule

Answer 16

when filling orbitals in the same subshell, you will fill each orbital 1 electron at a time with parallel spins

Question 17

atomic radius increases as

Answer 17

you go down and to the left

Question 18

ionization energy increases as

Answer 18

you go up and to the right

Question 19

electronegativity increases as

Answer 19

you move up and to the right

Question 20

linear degree

Answer 20

180

Question 21

trigonal planar degree

Answer 21

120

Question 22

3 group bent degree

Answer 22

120

Question 23

tetrahedral degree

Answer 23

109.5

Question 24

non polar molecules with polar bonds

Answer 24

linear, trigonal planar, and tetrahedral

Question 25

nonpolar molecule conditions

Answer 25

• no lone pairs on central atom
• central atom surrounded by the same type of atoms

Question 26

excitation

Answer 26

electrons can absorb light and advance to a higher n level

Question 27

relaxation

Answer 27

electrons can emit light and move to a lower n level

Question 28

electron has higher energy when

Answer 28

further from nucleus

Question 29

n=

Answer 29

principal quantum number

Question 30

valence electrons are

Answer 30

electrons in outermost shell

Question 31

bonds in order from small to big

Answer 31

3-2-1

Question 32

bonds in order from weak to strong

Answer 32

1-2-3

Question 33

electronegativity

Answer 33

ability of an atom to attract electrons within a covalent bond

Question 34

noble gases don’t have electronegativity because

Answer 34

they don’t form bonds

Question 35

formal charge=

Answer 35

valence electrons- # lone pairs- (1/2) # of bond pairs

Question 36

in electron pair geometry you

Answer 36

do count the electrons

Question 37

in molecular geometry you

Answer 37

don’t count the electrons

Question 38

tetrahedral degree

Answer 38

109

Question 39

trigonal pyramidal degree

Answer 39

109

Question 40

4 group bent degree

Answer 40

109

Question 41

covalent bonds —- electrons

Answer 41

share

Question 42

ionic bonds —- electrons

Answer 42

transfer

Question 43

scientific method…

Answer 43

emphasizes observation and experimentation as the way to understand the world

Question 44

isotopes

Answer 44

atoms of the same element that have different number of neutrons

Question 45

law of constant composition states

Answer 45

all samples of a given compound have the same proportions of their constituent elements

Question 46

scientific law

Answer 46

a brief statement that summarizes many past observations and predicts new ones

Question 47

chemistry

Answer 47

the science that seeks to understand what matter does by studying what atoms and molecules do