The Periodic Table
Which is the most abundant metal in the Earth's crust?
Aluminium
What is the number of protons also known as?
Atomic number
Which process invented by British merchant Peregrine Phillips in 1831 is the modern method of making sulfuric acid in the industry?
Contact Process
What is the formula of the salt obtained when you crystallize pure brine?
NaCl
Which mineral acid aids in digestion?
Hydrochloric acid
If isotopes have the same number of protons and different number of neutrons, what do isotones have?
same number of neutrons but different number of protons
In the chemical symbol of an element, where is the charge written?
top right hand corner (right superscript)
The founder of which famous award for peace is credited with the invention of dynamite?
Alfred Nobel
What is the major component of dynamite?
Nitroglycerine
Which barium salt is given as a "barium meal" to a person to prepare them for a stomach X-ray?
Barium sulfate
What is the difference between Mendeleev's periodic table and the Modern periodic table
Mendeleev's periodic table arranged elements based on atomic mass; Modern periodic table arranges elements in the order of atomic numbers
13, Thirteen
Who discovered the electron?
J.J. Thomson
A double salt contains Fe+2 and NH4+ cations and SO4-2 anion. What is the formula of this salt?
(NH4)2Fe(SO4)2
A cocktail is a mixture of alcoholic drinks. What does a "Molotov cocktail" do?
it explodes (it is an explosive)
The element Curium is named after Marie Curie: True or False
False; it is named after Marie and Pierre Curie
In the Plum Pudding model of the atom, what is the plum?
Electrons
Name the project headed by Robert Oppenheimer that led to the invention of the first atom bomb?
The Manhattan Project
The burning of which chemical compound gave rise to the phrase, "be in the limelight" as a form of being highlighted in the public eye all the time?
Calcium oxide, CaO
Why would be apt to call methanoic acid as "ant-acid"?
Because it is present in ant sting!
One of these elements is not named after a country: Francium, Germanium, Indium, Polonium
Indium, which is named after the indigo lines in its spectrum and not India (though the word indigo does come from India!)
How many groups are present in the Modern Periodic Table?
18
Which was the first X-ray image every produced?
The accidental X-ray of the hand of Anna Bertha Roentgen, wife of William Roentgen the discoverer of X-rays
The word vitriol is used to describe language that is very harsh and rude. Which acid is behind to origin of this word?
Which is the strongest acid of all?
Fluroantimonic acid, H2FSbF6