Classification of Substances

Front

What is chemically combined in a compound?

Back

Two or more elements

Front

Number of compounds possible.

Back

Unlimited

Front

What is the role of chemical bonds in compounds?

Back

They hold the elements together.

Front

The mass of the electron is negligible.

Back

What is the mass of an electron compared to the atom?

Front

Within the nucleus where the protons and neutrons are located.

Back

Where is most of the mass of an atom located?

Front

The structure of a carbon atom includes protons, neutrons, and electrons.

Back

Diagram of the structure of a carbon atom showing protons, neutrons, and electrons.

Front

Atoms are so tiny that their masses can't be compared in units like kilograms or grams.

Back

Why can't we compare the masses of atoms in conventional units?

Front

1

Back

What is the relative atomic mass of hydrogen?

Front

Particle: Proton

Back

Relative Mass: 1, Charge: 1+

Front

Particle: Electron

Back

Relative Mass: 1/1840, Charge: 1−