Chemistry Foundations Trivia Questions
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Basic concepts in chemical science. Play Chemistry Foundations trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
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Sample Chemistry Foundations Quiz Questions
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
On the periodic table, this element with atomic number 79 has been treasured by civilizations for thousands of years.
Difficulty: Easy- Silver
- Platinum
- Gold
- Copper
This column of the periodic table contains highly reactive metals like sodium and potassium that explode on contact with moisture.
Difficulty: Medium- Alkaline earth metals
- Alkali metals
- Halogens
- Transition metals
This spectroscopic method exploits the magnetic properties of atomic nuclei in a strong field to reveal molecular structure, commonly using ¹H and ¹³C.
Difficulty: Hard- Nuclear magnetic resonance spectroscopy
- Electron spin resonance spectroscopy
- X-ray photoelectron spectroscopy
- Mössbauer spectroscopy
H₂O is the formula for this substance that covers about 71% of Earth's surface.
Difficulty: Easy- Hydrogen peroxide
- Carbon dioxide
- Water
- Methane
In this type of reaction, a single compound breaks apart into two or more simpler substances, like water splitting into hydrogen and oxygen.
Difficulty: Medium- Synthesis reaction
- Decomposition reaction
- Single replacement reaction
- Double replacement reaction
This theory explains the colors of transition metal complexes by describing how d-orbital energies split when surrounded by ligands in an octahedral or tetrahedral arrangement.
Difficulty: Hard- Molecular orbital theory
- Crystal field theory
- Valence bond theory
- Ligand field theory
This subatomic particle carries a negative charge and orbits the nucleus of an atom.
Difficulty: Easy- Electron
- Proton
- Neutron
- Photon
This principle states that electrons fill the lowest-energy orbitals first before occupying higher-energy ones.
Difficulty: Medium- Aufbau principle
- Pauli exclusion principle
- Hund's rule
- Heisenberg uncertainty principle
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