Chapter 7 Electronic Structure of Atoms

Question 1

protons and nuetrons are found in the

Answer 1

nucleus

Question 2

electrons are the ______ of the three particles that make up an atom

Answer 2

smallest

Question 3

Electrons are arranged in shells or _______ that surround the nucleus of an atom

Answer 3

orbitals

Question 4

Knowing the arrangement of the electrons in atoms of elements , helps us predict the relative _____ of elements

Answer 4

reactivity

Question 5

Each electrons in an atom is characterized by a unique set of four ______ numbers

Answer 5

quantum

Question 6

the four quantum numbers are

Answer 6

n l ml ms

Question 7

the n stands for

Answer 7

principal quantum number

Question 8

principal quantum number (n) designates the _____ and ______ of the orbital

Answer 8

size and energy

Question 9

the principal quantum number (n) has integer values starting from

Answer 9

1,2,3, and so forth

Question 10

the larger the n value, the greater the _________ __________ from the nucleus; greater the _______

Answer 10

average distance, energy

Question 11

All orbitals that have the same value of n are said to be in the same ______

Answer 11

shell or level

Question 12

Different shells are numbered by the ______ _________ ______

Answer 12

principal quantum numbers

Question 13

The l stands for

Answer 13

angular momentum quantum number

Question 14

the l divides the shells into smaller groups called ______

Answer 14

subshells / sublevels

Question 15

the angular quantum numbers (l) can take integer values from _____

Answer 15

0 to n-1

Question 16

the number designations for s,p,d,f are ______

Answer 16

0,1,2,3

Question 17

the ml stands for

Answer 17

magnetic quantum number

Question 18

the magnetic quantum number (ml) divides the subshell into individual ______

Answer 18

orbitals

Question 19

the _____ _______ ______ is known as the home for electrons

Answer 19

magnetic quantum number (ml)

Question 20

possible integer values of the magnetic quantum number are

Answer 20

-l,…,0,…+l

Question 21

s subshell has ___ orbital and ___ electrons

Answer 21

1, 2

Question 22

p subshell has ___ orbital and ___ electrons

Answer 22

3, 6

Question 23

d subshell has ___ orbital and ___ electrons

Answer 23

5, 10

Question 24

f subshell has ___ orbital and ___ electrons

Answer 24

7, 14

Question 25

the total number of orbtilas for a given n value is

Answer 25

n^2

Question 26

ms stands for

Answer 26

electron spin quantum number

Question 27

spin quantum number is defined as

Answer 27

+1/2 (spin up) or -1/2 (spin down)

Question 28

the _________ ________ states that electrons are added to the ______ energy orbitals first before moving to ________ energy orbitals

Answer 28

Aufbau principle, lowest, higher

Question 29

The ______ _______ ______ states that no two electrons can have all four electronic quantum numbers the ________

Answer 29

Pauli exclusion principle, same

Question 30

The ______ _______ ______ states that no more than __ electrons in each _________

Answer 30

Pauli exclusion principle, 2, orbital

Question 31

______ _______ states that the electrons fill each orbital _______ with their spins _______ before any orbitals gets second electron

Answer 31

Hunds rule, singly, parallel

Question 32

Noble gas core configuration can be used to represent all elements but

Answer 32

H and He