ch 3

Question 1

of electrons = …

Answer 1

of protons

Question 2

of protons = …

Answer 2

of electrons

Question 3

atomic # (bottom # next to symbol)

Answer 3

of PROTONS

Question 4

mass # (top # next to symbol)

Answer 4

sum of PROTONS + NEUTRONS

Question 5

of neutrons

Answer 5

mass # - atomic #

(P+N) - P

Question 6

isotopes

Answer 6

• atoms of same element but diff #s of N

- same # of E + P (chemical properties) but different MASSES (physical properties)

Question 7

metals

Answer 7

luster, thermal/electric conductivity, malleability

all metals except mercury are SOLID at room temp

Question 8

non metals

Answer 8

LACK luster, thermal/electric conductivity, malleability

many are GASES, some are solid, bromine only liquid

Question 9

s subshell

Answer 9

2 electrons

Question 10

p subshell

Answer 10

6 electrons

Question 11

d subshell

Answer 11

10 electrons

Question 12

f subshell

Answer 12

14 electrons

Question 13

of subshells = …

Answer 13

shell #

Question 14

order of subshells

Answer 14

s p d f

Question 15

electron subshells

Answer 15

region within SHELL containing electrons w/ same energy

Question 16

electron orbitals

Answer 16

region within SUBSHELL where electron w/ specific energy is found

Question 17

of electrons in an orbital

Answer 17

2 electrons

Question 18

s orbitals

Answer 18

1 orbital

Question 19

p orbitals

Answer 19

3 orbitals

Question 20

d orbitals

Answer 20

5 orbitals

Question 21

f

Answer 21

7 orbitals

Question 22

alkali metals

Answer 22

group IA (except for H - non metal)

ends in s1

Question 23

alkaline earth metals

Answer 23

group IIA

ends in s2

Question 24

halogens

Answer 24

group VIIA

ends in p5

Question 25

noble gases

Answer 25

group VIIIA ends in p6 except for He (s2)

Question 26

representative elements

Answer 26

s area, first 5 columns of p area

Question 27

noble gas elements

Answer 27

last column of p area plus He (s area) all non metals

Question 28

transition elements

Answer 28

d area all metals

Question 29

inner transition elements

Answer 29

f area all metals

Question 30

atomic mass of an element formula (with isotopes)

Answer 30

(% abund. + atomic mass) of isotope 1 + (% abund. + atomic mass) of isotope 2

Question 31

of valence electrons

Answer 31

look @ group #

Question 32

electron configuration

Answer 32

of electrons in SUBSHELL