Review of atoms and molecular structure

Front

What is an atom?

Back

The smallest unit of matter that retains the properties of an element.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is a compound?

Back

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

Front

What is the chemical symbol for Hydrogen?

Back

H

Front

What is an ionic bond?

Back

A type of chemical bond formed between a metal and a nonmetal, where electrons are transferred.

Front

What is conductivity?

Back

The ability of a material to conduct heat or electricity.

Front

What are subscripts in a chemical formula?

Back

Numbers written below and to the right of a chemical symbol indicating the number of atoms of that element in the compound.

Front

What is the difference between a metal and a nonmetal?

Back

Metals are typically shiny, malleable, and good conductors of heat and electricity, while nonmetals are usually dull, brittle, and poor conductors.

Front

What is a chemical formula?

Back

A way of expressing the composition of a compound using symbols and numbers.

Front

What is a molecule of water composed of?

Back

Two hydrogen atoms and one oxygen atom (H2O).