Periodic table Flashcards
1
Q
What is the period number equal to?
A
The number of valence electrons
2
Q
Properties of metals
A
Good conductors of heat, malleable, ductile and have lustre (are shiny)
3
Q
What are metalloids?
A
Elements that have both metallic and non-metallic properties.
4
Q
What is the maximum number of electrons in the d sub-level?
A
10
5
Q
What is the rule for drawing orbital diagrams?
A
The bus stop rule. (only one spin first then go back to add more)
6
Q
Describe the ‘law of octaves’
A
Elements are organised by mass and that every 8th element had similar properties.
7
Q
Why is it known as a periodic table?
A
The properties are similar at regular intervals.