L2 Flashcardizz Review --> Molecules

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What is a compound?

Back

A compound is a substance formed when two or more different elements are chemically bonded together.

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How many atoms are in a molecule of H2SO4?

Back

There are 6 atoms in a molecule of H2SO4 (2 Hydrogen, 1 Sulfur, 4 Oxygen).

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What is a chemical bond?

Back

A chemical bond is the force that holds atoms together in a molecule.

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What are molecules?

Back

Molecules are groups of two or more atoms bonded together by chemical bonds.

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What does the chemical formula H2O represent?

Back

H2O is a chemical formula that shows the atomic composition of water, consisting of 2 Hydrogen atoms and 1 Oxygen atom.

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What is the difference between a chemical symbol and a chemical formula?

Back

A chemical symbol represents a single element (e.g., H for Hydrogen), while a chemical formula shows the composition of a compound (e.g., H2O for water).

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What is the significance of chemical bonds in molecules?

Back

Chemical bonds determine the structure and properties of molecules, influencing how they interact with other substances.

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What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is the atomic mass?

Back

Atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What is a chemical equation?

Back

A chemical equation is a symbolic representation of a chemical reaction, showing the reactants and products.