13 The Periodic Table

Question 1

substance that can’t be broken down into smaller substances

Answer 1

element

Question 2

composed of a single type of atom

Answer 2

element

Question 3

arranges elements by increasing atomic number

Answer 3

periodic table

Question 4

similar elements are found close together

Answer 4

periodic table

Question 5

elements are rep. by 1 or 2 letter symbol

Answer 5

chemical symbols

Question 6

first letter is always capital, second is always lowercase

Answer 6

chemical symbols

Question 7

derived from latin and other languages

Answer 7

chemical symbols

Question 8

found on the left and middle of the periodic table

Answer 8

metals

Question 9

found on the right of the periodic table

Answer 9

nonmetals

Question 10

if near the ladder, what type of substance is it?

Answer 10

semi-metal/metalloid

Question 11

columns, total of 18

Answer 11

groups

Question 12

rows/energy levels; total of 7

Answer 12

periods

Question 13

alkali metals

Answer 13

group 1

Question 14

“al-qili”

Answer 14

plant ash in arabic

Question 15

naturally 1+ ions, never free

Answer 15

alkali metals/group 1

Question 16

alkaline earth metals

Answer 16

group 2

Question 17

like alkali but from earth, not plant ashes

Answer 17

alkaline earth metals

Question 18

+2 ions after losing 2 valence electrons

Answer 18

alkaline earth metals/group 2

Question 19

“boron group”

Answer 19

earth metals/group 13

Question 20

earth metals

Answer 20

group 13

Question 21

+3 ions

Answer 21

earth metals/group 13

Question 22

properties are diverse and intermediate between properties of metals and non-metals (metalloids)

Answer 22

earth metals/group 13

Question 23

-4 ions

Answer 23

tetrels/group 14

Question 24

tetrels

Answer 24

group 14

Question 25

present in living and non-living things

Answer 25

tetrels/group 14

Question 26

"nitrogen group"

Answer 26

pnictogens

Question 27

-3 ions

Answer 27

pnictogens

Question 28

properties like boron and carbon groups

Answer 28

pnictogens

Question 29

chalcogens

Answer 29

group 16

Question 30

"oxygen group"

Answer 30

chalcogens/group 16

Question 31

-2 ions

Answer 31

chalcogens/group 16

Question 32

properties vary from nonmetallic to metallic

Answer 32

chalcogens/group 16

Question 33

from greek "halo" and "gen" meaning "salt-former"

Answer 33

halogens/group 17

Question 34

nonmetallic; most reactive elements on the table

Answer 34

halogens/group 17

Question 35

-1 ions, diatomic molecules

Answer 35

halogens/group 17

Question 36

formerly known as "inert gases"

Answer 36

noble gases/group 18

Question 37

nonmetals

Answer 37

noble gases/group 18

Question 38

outer shell is full of electrons; very stable

Answer 38

noble gases/group 18

Question 39

shiny, hard, lustrous solids

Answer 39

transition metals/groups 3-12

Question 40

high thermal and electric conductivity; dense with very high melting points

Answer 40

transition metals/groups 3-12

Question 41

lanthanide series

Answer 41

rare earth elements

Question 42

1st row of f-block

Answer 42

lanthanide series

Question 43

actinide series

Answer 43

radioactive elements, most of which are made in the laboratory

Question 44

2nd row of f-block

Answer 44

actinide series

Question 45

intertransition metals

Answer 45

f-block

Question 46

how many elements were discovered from ancient times to 1669

Answer 46

12 elements

Question 47

how elements get their symbols

Answer 47

- ancient name - first letter of name - name of a place - name of a planet - name of a scientist - 1st then 2nd (or other) letter of its name

Question 48

french nobleman who classified elements with similar properties into groups

Answer 48

antoine laurent de lavoisier

Question 49

wrote first list of elements containing 33 in total and distinguished metals from nonmetals

Answer 49

antoine laurent de lavoisier

Question 50

theorized that atoms of the same element are the same

Answer 50

john dalton

Question 51

set up table of elements according to their relative atomic weights and published his findings in his book "A New System of Chemical Philosophy"

Answer 51

john dalton

Question 52

improved john dalton's work and published table of atomic weights with 54 elements

Answer 52

jons jakob berzelius

Question 53

introduced use of letters as element's symbols

Answer 53

jons jakob berzelius

Question 54

analyzed existing elements and classified them into groups of threes and called them TRIADS

Answer 54

johann wolfgang dobereiner

Question 55

idea occured when Sr's atomic weight was halfway between Ca and Ba's

Answer 55

johann wolfgang dobereiner

Question 56

grouped elements in spiral order divided by vertical line based on increasing atomic weights

Answer 56

alexander-emile de chancourtois

Question 57

elemental properties repeat every 8 elements, when listed by atomic mass

Answer 57

john newlands

Question 58

law of octaves

Answer 58

john newlands

Question 59

arranged elements in order of increasing atomic mass, leaving some gaps for undiscovered elements

Answer 59

dmitri mendeleev

Question 60

periodic table -> periodic law

Answer 60

dmitri mendeleev

Question 61

element Ge proved his predictions

Answer 61

dmitri mendeleev

Question 62

arranged elements in order of increasing atomic mass, based on plotted values of atomic vol and no

Answer 62

julius lothar meyer

Question 63

compiled 56 elements based on the periodicity of properties like molar vol when arranged in order of atomic mass

Answer 63

julius lothar meyer

Question 64

thru work with x-ray spectra determined actual nuclear charge (atomic no) of elements and rearranged it in increasing atomic no

Answer 64

henry moseley

Question 65

when elements are arranged in order of increasing atomic no, there is a periodic pattern in phys and chem properties

Answer 65

periodic law