1.5- Symbols, formulae and equations Flashcards
1
Q
What do chemical equations use and what are their products?
A
chemical reactions use up reactants and produce new substances called products;
2
Q
What happens to atoms in a chemical equation (element group 1 & group 7)
A
in a chemical reaction no atoms are lost or made but they are rearranged, and as a result we can write balanced symbol equations showing the atoms involved.
3
Q
What are the four state symbols?
A
Gas (g), liquid (l), solid (S) & aqueous solution (aq)
4
Q
What is Na?
A
Sodium
5
Q
What is K?
A
Potassium
6
Q
What is Mg?
A
Magnesium
7
Q
What is Ca?
A
Calcium
8
Q
What is Cu?
A
Copper
9
Q
What is C?
A
Carbon
10
Q
What is O?
A
Oxygen
11
Q
What is H?
A
Hydrogen
12
Q
What is Cl?
A
Chlorine (diatomic)
13
Q
What is F?
A
Fluorine (diatomic)
14
Q
What is I?
A
Iodine (diatomic)
15
Q
What is Br?
A
Bromine (diatomic)
