Complete Solutions
What is the term for the smallest unit of an element that retains its chemical properties?
✔✔ Atom
What is the name of the positively charged particle found in the nucleus of an atom?
✔✔ Proton
What is the term for a chemical bond formed by the sharing of electron pairs between atoms?
✔✔ Covalent Bond
What is the name of the type of reaction where two or more substances combine to form a new
compound?
✔✔ Synthesis Reaction
What is the term for the amount of substance that contains as many particles as there are atoms in
exactly 12 grams of carbon-12?
✔✔ Mole
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,What is the name of the horizontal rows on the periodic table?
✔✔ Periods
What is the term for a reaction where a substance gains oxygen or loses hydrogen?
✔✔ Oxidation
What is the name of the process by which a liquid changes into a gas?
✔✔ Evaporation
What is the term for the energy required to remove an electron from a neutral atom?
✔✔ Ionization Energy
What is the name of the principle that states that energy cannot be created or destroyed in a
chemical reaction?
✔✔ Law of Conservation of Energy
What is the term for the negatively charged particle that orbits the nucleus of an atom?
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, ✔✔ Electron
What is the name of the type of bond formed by the electrostatic attraction between oppositely
charged ions?
✔✔ Ionic Bond
What is the term for the process in which a solid changes directly into a gas without passing
through the liquid phase?
✔✔ Sublimation
What is the name of the elements in Group 18 of the periodic table known for being inert and
unreactive?
✔✔ Noble Gases
What is the term for a homogeneous mixture of two or more substances, where one substance is
dissolved in another?
✔✔ Solution
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