Electricity and chemistry 

Current

Is the amount of electrons flowing

What is a current measured in

Amperes=A

Voltage

A force that pushes the current through the circuit

What is voltage measured in

Volts = V

Resistance

Resistance is friction that impedes flow of current through the circuit

What is resistance measured in

Ohms

Series

One course that the current can take. both bulbs are powered by the same current.

What happens if you remove a part in a series circuit

The circuit dies/ goes out

Parallel

A circuit that has two or more paths for the current to flow. The voltage is the same across each component.

What happens if one component in a parallel goes out

The circuit won’t die, just that section will

What is matter

All the physical substances around us. Anything that takes space

atom

The smallest whole particle of matter

Element

A substance composed of only one type of atom

Compound

A substance composed of more than one element chemically combined.

Protons

Positively charged particles found in the nucleus

Neutrons

Neutrons are uncharged particles found in the nucleus

Electrons

Negatively charged particles that surround an atoms nucleus

What is the law of conservation of mass

During chemical change, there is no loss or gain of atoms

What happens in a neutral atom

The number of protons equals the number of electrons

Atomic structure

The structure of an atom

Atomic mass

The number of protons and neutrons in an atom

Atomic number

The number of protons in an atom

what is the difference between solute and solvent

A solute is a substance that can be dissolved into a solution by a solvent.A solvent is a substance in which a solute is dissolved by

Solutions

When a solute dissolves a solvent

Ions

Charged particles

Litmus paper

acids turn blue litmus paper red and a base turns red litmus paper blue

PH scale

PH is a measure of how acidic or basic a solution is

Acids has a PH…

Below 7

A base has a PH…

Above 7

Which is first in a chemical equation: products, or reactants?

Reactants

What does an arrow indicate

That a chemical reaction has occurred