Pure Substances Flashcards
How do you form a solution?
Solute + Solvent ➜ Solution
Element
Sunstances made up of the same/one type of atom
Atoms
Building blocks of matter
Compound
A substance made upof 2 or more substances chemically bonded and cannot be seperated by physical means
Compound example
copper carbonate
Molecules
2 or more atoms held together by chemical bonds
Atoms of a monatomic element look like:
Atoms of a diatomic element look like:
Molocules of a diatomic compound look like:
Mixtures look like:
What are 3 mixtures?
Milk
Cola Drink
Air
What are 3 pure elements?
Hydrogen, Helium, Oxygen (anything on periodic table)
What are 3 pure compounds?
Carbon Dioxide, Water, Salt
What charge is an electron?
negative
what charge is a proton?
positive