Chemistry Flashcards
Advanced Science under the field of Chemistry
What is the chemical formula for rust?
Fe₂O₃⋅xH₂O (Hydrated Iron(III) Oxide)
The Haber process is used to synthesize what compound?
Ammonia (NH₃)
What is the strongest known acid?
Fluoroantimonic acid (HSbF₆)
What type of hybridization is found in a methane (CH₄) molecule?
sp³ hybridization
Which element has the highest electronegativity?
Fluorine (3.98 on the Pauling scale)
What is the name of the process by which solid carbon dioxide changes directly into gas?
Sublimation
What is the only element that can form an anion, cation, and exist in a neutral state in water?
Hydrogen
What are the three primary types of radioactive decay?
Alpha, Beta, and Gamma decay
What law states that equal volumes of gases, at the same temperature and pressure, contain equal numbers of molecules?
Avogadro’s Law
What is the main component of natural gas?
Methane (CH₄)
The first element to be artificially created in a laboratory was what?
Technetium
What is the oxidation state of sulfur in sulfuric acid (H₂SO₄)?
+6
The Tollen’s test is used to detect the presence of what type of organic compound?
Aldehydes
The Bohr model was the first atomic model to introduce what concept?
Quantized electron orbits
What is the primary metal used in rechargeable lithium-ion batteries?
Lithium
What type of chemical bond results from the sharing of electron pairs?
Covalent bond
The process of converting a liquid into a gas at temperatures below boiling point is called what?
Evaporation
Which element is used in nuclear reactors as a fuel source?
Uranium (U)
What is the term for a substance that speeds up a chemical reaction without being consumed?
Catalyst
What gas is produced when an acid reacts with a metal?
Hydrogen gas (H₂)
What is the term for the lowest energy state of an atom?
Ground state
What type of isomerism occurs when two molecules have the same molecular formula but different connectivity of atoms?
Structural isomerism
What is the electron configuration of neon?
1s² 2s² 2p⁶
What is the most abundant element in the universe?
Hydrogen
