CHEMISTRY quiz
Here are sample questions from the CHEMISTRY category. Think about each answer before revealing it – and then check how you'd do against real players in the app.
Was the Nobel Prize in Chemistry awarded in 1917?
- No
- Yes
The chemistry prize was also not awarded in, among other years, 1916, 1919 and 1940–1942.
What is the central part of an atom called?
The atomic nucleus consists of protons and neutrons. It takes up a tiny part of the atom's volume but contains almost all of its mass. Its existence was proposed by Ernest Rutherford in 1911 to explain the results of the alpha-particle scattering experiment.
What is the chemical symbol for plutonium?
Pu
Which of these elements did Maria Skłodowska-Curie discover?
Maria Skłodowska-Curie discovered polonium and radium.
Which elements make up ethyl alcohol?
The formula of ethanol is C₂H₅OH.
What is the chemical symbol for neon?
Ne
What percentage of the air is made up of oxygen?
You can be off by 5%
20.95%
What is the chemical symbol for livermorium?
It is a synthetic element with atomic number 116.
What is the chemical symbol for tin?
Sn
What is the chemical symbol for lead?
Pb
Is air a chemical compound?
- No
- Yes
It is not a chemical compound. Air is a mixture of gases that make up the atmosphere.
What are the vertical columns of the periodic table called?
The horizontal rows are periods.
Does hydrogen combine with nonmetals?
- No
- Yes
Examples include water (with oxygen), ammonia (with nitrogen) and hydrogen chloride (with chlorine). With carbon, hydrogen forms the huge group of hydrocarbons.
What is the chemical symbol for argon?
Ar
What is ascorbic acid?
Which chemical element is the most abundant in the universe?
It makes up about 75% of all ordinary matter. It is also the lightest element.
Which chemical compound has the formula KOH?
It is also called caustic potash and is one of the strongest bases.
What is the chemical symbol for aluminium?
Al
What is the chemical symbol for phosphorus?
P
What is the relative atomic mass of carbon, rounded?
12
The carbon-12 isotope is the standard for the atomic mass unit – 1 u is 1/12 of the mass of its atom.
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