CHEMISTRY TP#1 REVIEW 2024-25

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Front

What are atoms?

Back

Atoms are the basic building blocks of matter, consisting of protons, neutrons, and electrons.

Front

What is a compound?

Back

A compound is a substance formed when two or more different types of atoms bond together in a fixed ratio.

Front

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 are elements?

Back

Elements are pure substances that cannot be broken down into simpler substances by chemical means, and each element is made up of only one type of atom.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of elements, organized by increasing atomic number, that displays periodic trends in properties.

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What are metals?

Back

Metals are elements that are typically shiny, good conductors of heat and electricity, and are malleable and ductile.

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What are nonmetals?

Back

Nonmetals are elements that are generally poor conductors of heat and electricity and are not malleable or ductile.

Front

What are metalloids?

Back

Metalloids are elements that have properties intermediate between metals and nonmetals, and they can exhibit characteristics of both.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.