Symbols, Formulae & Equations Flashcards
1
Q
What are the chemicals at the start of a reaction called?
A
Reactants
2
Q
What are the chemicals produced in the reaction called?
A
Products
3
Q
What is the disadvantage of a word equation?
A
Doesn’t give info about quantities of chemicals that react.
4
Q
What are groups 1,2 &3 valency?
A
1,2 & 3
5
Q
What are groups 4,5,6 & 7 valency?
A
4,3,2,1
6
Q
What is group 0’s valency and ion charge?
A
0 & 0
7
Q
What are groups 1,2, & 3
A
1+ 2+ 3+
8
Q
What are groups 4,5,6,7 ion charge?
A
0,3-,2-,1-
