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Elements General
General Element Trivia
113
Chemistry
9th Grade
10/13/2010
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Term
Most expensive E
 Definition
Lutetium (Lu); oil refine industry
Term
Most reactive metal
 Definition
Francium (Fr)
Term
Most reactive nonmetal
 Definition
Fluorine (F)
Term
metal w/ lowest vapor pressure
 Definition
Tungsten (W)
Term
# of naturally occuring E
 Definition
92
Term
Diamond melt pt.
 Definition
3600 C
Term
% CO2 in atmosphere
 Definition
.03%
Term
% O in atmosphere
 Definition
21%
Term
catalytic activity measured in...
 Definition
kats
Term
pure gold = ___ carats
 Definition
24
Term
___ mg= 1 karat?
 Definition
200?
Term
hardest densest La
 Definition
Lutetium (Lu)
Term
highest neutron capture ability
 Definition
Gadolinium (Gd)
Term
Fissile elements (3)
 Definition
Uranium (U), Plutonium (Pu), Thorium (Th)
Term
Village of 4 Elements
 Definition
Ytterby, Sweeden (Ytttrium Y, Ytterbium Yb, Erbium Er, Terbium Tb)
Term
Top 2 highest magnetic strength
 Definition
Holmium (Ho), Dysprosium (Dy)
Term
Bronze
 Definition
33% Tin (Sn) 66% Copper (Cu)
Term
Brass
 Definition
Cu + Zn
Term
Metal w/ lowest expansion factor
 Definition
Tungsten (W)
Term
1 mol
 Definition
6.02 * 10^23
Term
Top 4 Densest E
 Definition
Osmium (Os), Iridium (Ir), Platinum (Pt), Rhenium (Re)
Term
Top 4 highest melting pt. Elements
 Definition
Tungsten (W), Carbon (C), Rhenium (Re), Tantalum (Ta)
Term
Liquid methane and ethanol pools on...
 Definition
Titan
Term
Highest Electronegativity
 Definition
Fluorine (F)
Term
Lowest Electronegativity
 Definition
Francium (Fr)
Term
Most corrosion resistant metal
 Definition
Iridium (Ir)
Term
Wood's metal
 Definition
Bi + Cd + Sn (+Pb?)
Term
Pewter
 Definition
85% Sn, 7% Cu, 6% Bi, 2% Sb
Term
solder
 Definition
67% Lead (Pb), 33% Tin (Sn)
Term
Greek fire
 Definition
stibnite (Sb sulfide) + saltpeter + crude oil
Term
gunpowder
 Definition
75% potassium nitrate (KNO3), 15% charcoal, 10% Sulfur (S)
Term
Softest metal
 Definition
Cesium (Ce)
Term
Green flame test
 Definition
Boron (B)
Term
La top 2 abundance
 Definition
Cerium (Ce), Neodymium (Nd)
Term
5 Ferromagnetic
 Definition
Fe, Ni, Co, Ga, Dy
Term
substance w/ highest thermal conductivity
 Definition
Helium 2; lambda pt 2k
Term
Radioactive metal discovery order (1st 2)
 Definition
Uranium (U), Thorium (Th)
Term
sky blue flame
 Definition
Cesium (Cs)
Term
gas w/ lowest boil pt
 Definition
Helium (He)
Term
3 most abundant in universe
 Definition
H, He, O
Term
shrieks when bent
 Definition
Indium (In)
Term
top 3 elements in crust
 Definition
O, Si, Al (5th is Ca)
Term
lavendar flame
 Definition
Potassium (K)
Term
___% of air = N
 Definition
78%
Term
condenses to pale blue magnetic property liquid
 Definition
Oxygen (O)
Term
ammonia made via ____ process
 Definition
Haber
Term
nitroglycerine + kisselguhr = dynamite; made by _____
 Definition
Nobel
Term
hardest metal carbide
 Definition
TiC
Term
blue tinged, 15% of stainless steel; the green in emerald
 Definition
Chromium (Cr)
Term
Pig Iron
 Definition
C, S, Si, Mn, P (Fe ore smelt w/ coke)
Term
heat red powder form = silver metal form
 Definition
Selenium (Se)
Term
yellow nonmetal or grey brittle metal form
 Definition
Arsenic (As)
Term
caused Napolean's death?
 Definition
Arsenic (As)
Term
1st radioactive isotope used for medicine
 Definition
Ga-67
Term
melts in hand and volume shrinks
 Definition
Bi, Sb, Ga
Term
in dead sea, bad for ozone, deep red
 Definition
Bromine (Br)
Term
in Mars' atmosphere
 Definition
Krypton (Kr)
Term
Nitric acid via ____ process
 Definition
Ostwald (for explosives)
Term
He abundance & mass in U
 Definition
7% abundance, 23% mass
Term
least reactive E
 Definition
Neon (Ne)
Term
dating for rocks (2 E)
 Definition
Rb-Sr dating
Term
outsparkles diamond but weak
 Definition
Sr Titanate
Term
red highway warning flares
 Definition
Sr Salts
Term
1-2-3 superconduct @ 93 K
 Definition
Y:Ba:Cu
Term
black powder or silver hard metal
 Definition
Zirconium (Zr)
Term
"columbium" until 1950
 Definition
Niobium (Nb)
Term
in s-type stars
 Definition
Zirconium (Zr)
Term
Brazillian gold
 Definition
"worthless gold" Au, Ag & Pd
Term
absorbs 900x its volume of H
 Definition
Palladium (Pd)
Term
abundance in atmosphere earth (3)
 Definition
Nitrogen (N), Oxygen (O), Argon (Ar)
Term
argon in atmospheres
 Definition
.9% abundance earth, 1.6% mars
Term
earth most abundant E
 Definition
Iron (Fe)
Term
10% of core
 Definition
Nickel (Ni)
Term
Best elec. & heat conductivity
 Definition
Silver (Ag)
Term
substance liquid at widest temp. range
 Definition
Gallium (Ga)
Term
1st E in transistors
 Definition
Germanium (Ge)
Term
1st chem. industry
 Definition
alum production
Term
brightest line in elec. spectrum
 Definition
violet
Term
___resembles Pb
 Definition
Antimony (Sb)
Term
mozart death?
 Definition
Antimony (Sb) Tartrate?
Term
____ affinity for Au
 Definition
Tellurium (Te)
Term
bad breath, body odor
 Definition
dimethyl telluride
Term
what E associated w/ thyroid
 Definition
Iodine (I)
Term
burns blue flame
 Definition
Sulfur (S)
Term
Bright green flame
 Definition
Thallium (Tl)
Term
atomic clock
 Definition
Cs-133 (only naturally occuring isotope)
Term
Lanthanides Aka
 Definition
rare earth Elements
Term
Ce sulfide replaced___
 Definition
Cadmium (Cd) red pigment
Term
Pr + Ni
 Definition
within 1/1000 degree of absolute 0 & in permanent magnets
Term
NIB magnets
 Definition
Nd + Fe + B cheap and powerful
Term
Sm + Co
 Definition
10,000x Fe mag. power; overshadowed by NIB
Term
Ca Fluoride + Sm
 Definition
in lasers & masers (cut thru steel bounce off moon)
Term
high conc. in moon rock
 Definition
Y & Eu
Term
Te similar to ____
 Definition
Se
Term
Nb similar to _____
 Definition
Ta
Term
most reactive lanthanide
 Definition
Eu
Term
curie pt (lose magnetism) @ 20 C
 Definition
Gadolinium (Gd)
Term
magnetic strength called
 Definition
susceptibility
Term
color glass and enamel pink
 Definition
Erbium (Er)
Term
rarest Lanthanides (2)
 Definition
Promethium (Pm), Thulium (Tm)
Term
monitor shockwave of nuc. explosion
 Definition
16000 atm semiconduct, 40000 atm reverses; Ytterbium (Yb)
Term
____ difficult separate from Zr
 Definition
Halfnium (Hf)
Term
hardest material
 Definition
Ta Carbide
Term
last stable nonradioactive naturally occuring E discovered
 Definition
Rhenium (Re)
Term
22 min. life, 2nd rarest E
 Definition
Francium (Fr)
Term
heaviest metal w/ stable nucleus
 Definition
Bismuth (Bi)
Term
rarest naturally occuring E
 Definition
Astatine (At)
Term
Highest melt pt - oxide
 Definition
3300 C; Th oxide
Term
Last heaviest natural E
 Definition
Uranium (U)
Term
process isolate Mg from ocean
 Definition
Dow
Term
most diamagnetic metal
 Definition
Bismuth (Bi)
Term
metals (2) w/least thermal conductivity
 Definition
Mercury (Hg), Bismuth (Bi)
Term
1st synthetic dye
 Definition
mauve
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