Understanding Atoms and Molecules

Front

Atoms are not solid and consist of even smaller particles.

Back

Atoms consist of smaller particles.

Front

Atoms possess equal numbers of positively charged protons and negatively charged electrons.

Back

This balance makes the atom electrically neutral.

Front

Adding or removing an electron from an atom

Back

This process can make the atom negatively or positively charged.

Front

A helium atom has 2 protons and 2 electrons.

Back

2 protons and 2 electrons

Front

Electricity is measured by the push or pressure.

Back

This push or pressure causes current to flow, measured in Volts.

Front

Unit of electrical charge

Back

Coulomb (Q)

Front

Formula for electrical charge

Back

Q = C \times V

Front

The rate at which electricity flows through an appliance is known as amperage.

Back

Amperage is often shortened to amps.

Front

In electrical terms, if voltage is the pressure, what is the flow rate?

Back

Amps is the flow rate.

Front

What is the significance of a battery in a circuit?

Back

It provides the electromotive force needed for current flow.