Pure Substances Flashcards
1
Q
How do you form a solution?
A
Solute + Solvent ➜ Solution
2
Q
Element
A
Sunstances made up of the same/one type of atom
3
Q
Atoms
A
Building blocks of matter
4
Q
Compound
A
A substance made upof 2 or more substances chemically bonded and cannot be seperated by physical means
5
Q
Compound example
A
copper carbonate
6
Q
Molecules
A
2 or more atoms held together by chemical bonds
7
Q
Atoms of a monatomic element look like:
A
8
Q
Atoms of a diatomic element look like:
A
9
Q
Molocules of a diatomic compound look like:
A
10
Q
Mixtures look like:
A
11
Q
What are 3 mixtures?
A
Milk
Cola Drink
Air
12
Q
What are 3 pure elements?
A
Hydrogen, Helium, Oxygen (anything on periodic table)
13
Q
What are 3 pure compounds?
A
Carbon Dioxide, Water, Salt
14
Q
What charge is an electron?
A
negative
15
Q
what charge is a proton?
A
positive
17
Q
A
