chapter 4 section 2, 3 quiz

Question 1

quantum numbers are sets of numbers that

Answer 1

specify properties of electrons

Question 2

which mathematically describes the wave properties of electrons

Answer 2

quantum thoery

Question 3

how many different orientations are there for d orbitals

Answer 3

5

Question 4

which orbitals can be modeled as dumbbell shaped

Answer 4

p

Question 5

what is the correct notation fora sublevel within the first energy level

Answer 5

1s

Question 6

what is the maximum number of electrons that a single orbital can hold

Answer 6

2

Question 7

what is the total number of orbitals in the fourth main energy level

Answer 7

16

Question 8

which is a wave property that electrons possess

Answer 8

diffraction

Question 9

list 3 quantum numbers

Answer 9

angular momentum quantum number
magnetic quantum number
spin quantum number

Question 10

how many electrons can a d sublevel contain

Answer 10

10

Question 11

the statement that no two electrons in the same atom can have the same four quantum numbers is a restatement of

Answer 11

the pauli exclusion principle

Question 12

according to the Aufbau principle, which of the following subleves is lowest in energy

Answer 12

4s

Question 13

in a ground state hydrogen atom in which orbital is the elctron

Answer 13

1s

Question 14

how many electrons are present in an atom of calcium that has the elctron configuration 1s^2,2s^2,2p^6,3s^2,3p^6,4s^2

Answer 14

20

Question 15

the ground state electron configuration of neon is 1s^2,2s^2,2p^6. in this arrangement, how many of neon’s p orbitals are completely filled

Answer 15

3

Question 16

oxygen has an electron configuration of 1s^2,2s^2,2p^4. in this arrangement, how many inner-shell electrons does oxygen have

Answer 16

2

Question 17

which of the following is a noble gas

Answer 17

neon

Question 18

the noble gas notation for the electron configuration of bromine is [Ar]3d^10,4s^2,4p^5. How many unpaired electrons are there in an atom of bromine in the ground state

Answer 18

1

Question 19

a ground state of which element has one electron in its fourth and outermost main energy level

Answer 19

K- potassium

Question 20

separating unpaired electrons into as many orbitals as possible

Answer 20

minimizes the repulsion between electrons.