Atoms
What are atoms?
What is the building blocks of matter.
A block of iron is rusting is it chemical or physical change?
What is a chemical change.
This law state matter can't be created or destroyed?
What is the law of conservation of matter.
Is 1h+o -> h+o balanced?
What is yes.
What are these partials stay inside the nucleus?
What are protons and neutrons.
what are 3 characteristics of physical changes
what is melting, evaporating, freezing
What is matter?
What is physical substance that possesses mass and occupies space.
What are groups on a periodic table?
what is the columns.
what are periods in a periodic table?
what are the rows.
what do the groups show?
What are valence electrons
What do the periods show?
the numbers of electron shells.