Show:
The Atom
Chemistry
The Periodic Table
Acids and Bases
Waves
100
These have a positive charge
What is a proton?
100
Steam rising from a boiling pot is an example of this kind of change
What is a physical change?
100
The atomic number stands for this
What is the number of protons in an element?
100
A liquid with a pH of 3 is this
What is an acid?
100
The very top of a wave is called this
What is the crest?
200
These have a negative charge
What is an electron?
200
Rust is an example of this kind of change
What is a chemical change?
200
The atomic mass stands for this
What is the mass of the nucleus, or the sum of protons and neutrons?
200
Bleach and ammonia are examples of this
What is a base?
200
The very bottom of a wave is called this
What is the trough?
300
These make up the nucleus of an atom
What are neutrons and protons?
300
These are the three states of matter
What is solid, liquid, gas?
300
The periodic table is a chart for these
What are elements?
300
Pure water has a pH of this
What is pH 7?
300
The space between waves is called this
What is the wavelength?
400
This is the name of an atom in which the number of electrons do not equal the number of protons
What is an ion?
400
This states that matter is never created or destroyed
What is the Conservation of Matter?
400
To find the number of neutrons in an element I must do this
What is subtract the atomic mass from the atomic number?
400
These have hydrogen atoms
What is an acid?
400
The height of a wave is called this
What is the amplitude?
500
Atoms contain mostly this
What is space?
500
The elements on the right side of a chemical equation are called this
What is the product?
500
Argon, Helium, and Neon are examples of this type of element
What is a noble gas?
500
These have hydroxide ions
What is a base?
500
How fast waves travel past a certain point is called this
What is frequency?