What's the Potential?
This is the meaning of the term pH.
What is Potential of Hydrogen?
The chemical symbol of an element is represented by one or two of these.
What are letters?
This type of change happens when substances come together to make something new.
What is a chemical change?
This is used to measure the level or rank of an acid or base.
What is the pH scale?
The atomic number tells how many of these are in the nucleus in every atom of a particular element.
What are protons?
This type of change usually involves a change in the state of a material or substance.
What is a physical change?
This names anything that has mass and takes up space.
What is matter?
A substance with a score of 7 on the pH scale is said to be this.
What is neutral?
This is what the horizontal rows and vertical columns on the Periodic Table are called.
What are groups and periods?
Dissolving sugar into water is an example of this kind of change.
What is a physical change?
These are the building blocks for all matter in the universe.
What are atoms (or elements)?
Acids have more hydrogen ions, bases have more of these.
What are hydroxide ions?
This element has the atomic number 1 and is the first element on the Periodic Table.
What is Hydrogen?
This type of change can produce fizz and a change in color or temperature.
What is a chemical change?
The number range found on the pH Scale.
What is 0-14?
One way to determine the pH of a liquid is to use one of these; red cabbage juice is an example.
What is a pH indicator?
A tool that organizes all the elements based on their atomic number.
What is the Periodic Table of Elements?
Adding this to matter causes particles to speed up and spread out, but removing this slows them down and moves them closer.
What is heat?
A physical change is reversible, but a chemical change is this.
What is irreversible?
In all, there are about this many known elements.
What is 118?