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A type of atom that cannot be broken down into a simpler substance by ordinary chemical means.

A substance formed when two or more chemical elements are chemically bonded together.

An atom that has gained or lost one or more electrons.

Forms through the electrical force between oppositely charged ions. Signup and view all the answers

Forms when atoms share a pair of electrons. Signup and view all the answers

Two or more atoms held together by covalent bonds. Signup and view all the answers

The smallest unit of life. Signup and view all the answers

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An atom is the smallest basic unit of matter and is essential for all forms of life.
Elements are unique types of atoms that cannot be further broken down by ordinary chemical means.
A compound is formed when two or more different elements bond chemically, resulting in a new substance.

An ion is an atom that has gained or lost electrons, resulting in a net electrical charge, which can be either positive or negative.
Ionic bonds occur when positively and negatively charged ions attract each other through electrical forces, leading to the formation of stable compounds.
A covalent bond forms when two or more atoms share pairs of electrons, allowing them to achieve greater stability.