7.3-8.2

Question 1

complete arrangement of electrons in an atom

Answer 1

electron configuration

Question 2

any of the four numbers used to describe an electron in an atom

Answer 2

quantum numbers

Question 3

quantum number that describes the electron shell

Answer 3

principle quantum number

Question 4

________ describes the main energy level

Answer 4

principle quantum number

Question 5

________ tells the type of subshell, or shape, the electron is found in

Answer 5

the second quantum number

Question 6

_____ describes the orientation in space of an individual orbital within a subshell

Answer 6

third quantum number

Question 7

_______ describes the electron spin

Answer 7

spin quantum number

Question 8

principle stating that no two electrons in an atom may have the same set of four quantum numbers

Answer 8

Pauli exclusion principle

Question 9

order the subshells go in

Answer 9

s, p, d, f

Question 10

electrons occupy the lowest-energy orbital available, filling in orbitals of successively higher energies until all the electrons are distributed

Answer 10

aufbau principle

Question 11

when a p, d, or f subshell is being filled, one electron will occupy each orbital in that subshell before pairing begins

Answer 11

Hund’s rule

Question 12

The maximum number of electrons is __1__ in any s subshell, __2__ in any p, __3__ in any d, and __4__ in any f subshell

Answer 12

1. two
2. six
3. ten
4. fourteen

Question 13

most important electrons used for bonding

Answer 13

valence electrons

Question 14

represents an atom’s valence electrons as dots written around the element’s atomic symbol

Answer 14

Lewis symbol

Question 15

group of three elements used in an early system of element classification

Answer 15

triad

Question 16

arrangement of elements, proposed in 1864, that was based on the repetition of similar properties every eighth element when the elements then known were arranged in order of increasing atomic weights

Answer 16

law of octaves

Question 17

man whose work would lead to the periodic table

Answer 17

Dmitri Mendeleev

Question 18

states that the physical and chemical properties of the elements are periodic functions of their atomic numbers

Answer 18

periodic law

Question 19

the periodic law is based on _____, not atomic weight

Answer 19

atomic number

Question 20

table of the chemical elements arranged in order of their atomic numbers

Answer 20

periodic table of the elements

Question 21

column of the periodic table

Answer 21

group

Question 22

row of the periodic table

Answer 22

period

Question 23

any elements at the far right of the periodic table; typically nonconductors and either dull, brittle solids or gases

Answer 23

nonmetals

Question 24

any elements at the left (and center) of the periodic table; typically hard, shiny solids with good conductivity of heat and electricity

Answer 24

metals

Question 25

any elements between metals and nonmetals (in the center) on the periodic table, brittle solids and semiconductors

Answer 25

semimetals

Question 26

any elements in group 1, 2, or 13-18 of the periodic table

Answer 26

main-group elements (representative elements)

Question 27

valence electrons are based on ______

Answer 27

the ones place

Question 28

any elements in groups 3-12 of the periodic table

Answer 28

transition metals

Question 29

any elements in the two rows typically set below the periodic table

Answer 29

inner transition metals