|
Hint
|
Answer
|
T
|
heaviest isotope of hydrogen
|
Tritium
|
R
|
radioactive gas from underground
|
Radon
|
I
|
same molecular formula, different molecular structure
|
Isomer
|
F
|
most reactive gas in the periodic table
|
Fluorine
|
L
|
used by forensic investigators to detect blood
|
Luminol
|
U
|
pair with adenine in RNA strand
|
Uracil
|
O
|
opposite to reduction
|
Oxidation
|
R
|
scientist who isolate argon gas from air for the first time
|
Ramsay
|
O
|
form layer in upper atmosphere to reflect UV rays
|
Ozone
|
M
|
Russian chemist who created the periodic table
|
Mendeleev
|
E
|
'alcohol' in alcoholic beverage
|
Ethanol
|
T
|
had been used as rat poison and involved in murder cases
|
Thallium
|
H
|
named after Greek word for the sun
|
Helium
|
A
|
chemically known as propanone
|
Acetone
|
N
|
organic compounds contain -C≡N group
|
Nitrile
|
E
|
absorb energy from the environment
|
Endothermic
|
S
|
sodium chloride, potassium nitrate, etc.
|
Salts
|
U
|
major solid compound found in urine
|
Urea
|
L
|
when solid melts, or gas condenses
|
Liquid
|
F
|
alkali metal named after European country
|
Francium
|
O
|
colour of dichromate ion (Cr2O72-)
|
Orange
|
N
|
German word for sodium
|
Natrium
|
I
|
a method to test methyl ketone using iodine
|
Iodoform Test
|
C
|
acid mainly found in soft drinks and sparkling water
|
Carbonic
|
A
|
33rd element of the periodic table
|
Arsenic
|
C
|
family with most Nobel Prizes
|
the Curies
|
I
|
become charged, no longer neutral
|
Ionised
|
D
|
British chemist known for his discovery of alkali and alkali earths metal by electrolysis
|
Davy
|
|
|
|
Chemical Compound
|
TRIFLUOROMETHANESULFONIC ACID
|