Flashcard on Atoms and Molecules

Front

What is an atom?

Back

The basic unit of a chemical element, consisting of a nucleus surrounded by electrons.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is an ionic bond?

Back

A type of chemical bond formed through the transfer of electrons from one atom to another.

Front

What is a covalent bond?

Back

A type of chemical bond where two atoms share one or more pairs of electrons.

Front

What is a compound?

Back

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

Front

Where can compounds be found?

Back

In almost everything, including air, water, and living organisms.

Front

Are compounds essential for our daily lives?

Back

Yes, compounds are necessary for various biological and chemical processes.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, matter is neither created nor destroyed; it is conserved.