What does Atom mean?
What is an extremely small amount of a thing or quality?
An experiment contains two strips of metal and water. Only one of the strips rusted. What is the explanation of this difference?
What is the two strips are composed of different atoms.
What is the element Au
What is gold
If you leave and iron nail and an iron sheet in the rain, what would happen?
What is they will both rust?
Identify what would occur when two different pieces of copper are melted?
what is we will behave the same way because their Atoms are similar
Describe the difference between oxygen gas O2 and ozone gas O3.
What is different numbers of atoms.
arranges all chemical elements by the atomic number into rows called periods and columns, called groups
What is the period table
What do you call it when a solid instantly turns to a gas?
What is sublimation?