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Hesi A2 V1 Chemistry Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which element is liquid at room temperature and has the symbol Hg?✔✔Mercury
What is the process by which a liquid changes into a gas?✔✔Evaporation
Which gas is necessary for combustion?✔✔Oxygen
What type of reaction occurs when an acid and base react to form water and a salt?✔✔Neutralization
Which element is most reactive in the alkali metal group?✔✔Francium
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What is the chemical formula for sulfuric acid?
✔✔H₂SO₄
Which particle determines the chemical behavior of an atom?✔✔Electron
What is the name of the compound NaHCO₃?✔✔Sodium bicarbonate
Which type of solution has more solute than can dissolve at a given temperature?✔✔Supersaturated solution
Which process separates a solid from a liquid in a heterogeneous mixture?✔✔Filtration
What is the term for a substance made of only one type of atom?✔✔Element
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What is the term for a substance made of two or more elements chemically combined?✔✔Compound
What is the atomic number of carbon?
✔✔6
Which element is a noble gas found in group 18 of the periodic table?✔✔Neon
What is the chemical formula for water?
✔✔H₂O
Which type of bond involves the sharing of electrons between atoms?✔✔Covalent bond
Which type of bond involves the transfer of electrons from one atom to another?✔✔Ionic bond
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